• picen-13-ol
• 24743-19-9
• C22H14O
• 294.346
• .

• Phenol, polymer with formaldehyde, glycidyl ether, polymers with bisphenol A, epichlorohydrin and maleic anhydride
• 74098-42-3
• .

• Pyrimido(2,1-f)purine-2,4,8(1H,3H,9H)-trione, 6,7-dihydro-1,3-dimethyl-9-(3-(4-(phenylmethyl)-1-piperidinyl)propyl)-, monohydrochloride
• 148712-01-0
• C25H33ClN6O3
• 501.0209
• .

• Pyridin-2-ylmethyl N-(3-chlorophenyl)carbamate
• 21780-36-9
• C₁₃H₁₁ClN₂O₂
• 262.6916
• .

• prynachlor
• 21267-72-1
• C12H12ClNO
• 244-304-3
• 221.68
• .

• Poly-L-glutamicacid
• 25513-46-6
• (C5H9NO4)x
• 200-293-7
• 0
• .

• Poly(oxy-1,2-ethanediyl), alpha-sulfo-omega-hydroxy-, C12-15-alkyl ethers
• 68511-39-7
• 0
• .

• Pyrazinecarbonitrile, 6-amino- (9CI)
• 59489-39-3
• C5H4N4
• 120.11206
• .

• Pyridazine-3-carbaldehyde
• 60170-83-4
• C5H4N2O
• 108.09806
• .

• Piperazine-2-carboxylic acid dihydrochloride
• 133525-05-0
• C₅H₁₂Cl₂N₂O₂
• 203.07
• .

• Pyruvate
• 57-60-3
• C3H3O3-
• 87.05412
• .

• Phenylmercuritriethanolammonium lactate
• 23319-66-6
• C12H20HgNO3 . C3H5O3
• 245-581-3
• 515.9521
• .

• Pyroset TKP
• 55818-96-7
• C4H12O4P . C4H12O4P . C2H3O2 . 1/3O4P
• 466.247
• .

• Pyruvohydroximoyl chloride, oxime
• 4732-59-6
• C3H5ClN2
• 0
• .

• PYRROMELITIC ACID DIANHYDRIDE
• 4435-60-3
• C10H2O6
• 218.12
• .

• Pyrrolidine, 1-((1,2,4-benzotriazin-3-yl)acetyl)-
• 80722-69-6
• C13H14N4O
• 242.2765
• .

• Pyrosulfuryl chloride
• 7791-27-7
• Cl2O5S2
• 215.033
• .

• PYRIDINIUM, 4,4-(p-PHENYLENEBIS(ACRYL-OYLIMINO-p-PHENYLENEIMINO))BIS(1-ETHYL-, DI-p-TOLUENE SULFONATE)
• 21595-62-0
• C38H38N6O2 . 2C7H7O3S
• 249.41482
• .

• Pyridinium, 3,3'-(terephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-butyl-, di-p-toluenesulfonate
• 19146-99-7
• C40H42N6O4 . 2C7H7O3S
• 1013.1866
• .

• Pyridinium, 3,3'-(terephthaloylbis(imino(3-methoxy-p-phenylene)carbonylimino))bis(1-propyl-, di-p-toluenesulfonate
• 19083-82-0
• C40H42N6O6 . 2C7H7O3S
• 1045.1854
• .

• Pyridinium, 3,3'-(terephthaloylbis(imino(3-methoxy-p-phenylene)carbonylimino))bis(1-ethyl-, di-p-toluenesulfonate
• 19083-81-9
• C38H38N6O6 . 2C7H7O3S
• 1017.1323
• .

• Pyridinium, 3,3'-(bicyclo(2.2.2)octane-1,4-diylbis(carbonylimino-4,1-phenylenecarbonylimino))bis(1-propyl-, salt with 4-methylbenzenesulfonic acid (1:2)
• 60172-15-8
• C40H46N6O4 . 2C7H7O3S
• 1017.2184
• .

• Pyridinium, 3,3'-(terephthaloylbis(imino(3-chloro-p-phenylene)carbonylimino))bis(1-methyl-, di-p-toluenesulfonate
• 19142-71-3
• C34H28Cl2N6O4 . 2C7H7O3S
• 997.9173
• .

• Pyridinium, 3,3'-(2-methylterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-propyl-, di-p-toluenesulfonate
• 16760-23-9
• C39H40N6O4 . 2C7H7O3S
• 999.1601
• .

• Pyridinium, 3,3'-(2-methylterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-methyl-, di-p-toluenesulfonate
• 16760-12-6
• C35H32N6O4 . 2C7H7O3S
• 943.0537
• .

• Pyridinium, 3,3'-(2-methylterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-ethyl-, di-p-toluenesulfonate
• 16760-22-8
• C37H36N6O4 . 2C7H7O3S
• 971.1069
• .

• Pyridinium, 3,3'-(2-chloroterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-ethyl-, di-p-toluenesulfonate
• 16802-50-9
• C36H33ClN6O4 . 2C7H7O3S
• 991.5254
• .

• Pyridinium, 3,3'-(2-aminoterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-propyl-, di-p-toluenesulfonate
• 19142-70-2
• C38H39N7O4 . 2C7H7O3S
• 1000.1481
• .

• Pyridinium, 3,3'-(1,4-naphthylenebis(carbonylimino-p-phenylenecarbonylimino))bis(1-methyldi-p-toluenesulfonate
• 68771-70-0
• C38H32N6O4 . 2C7H7O3S
• 979.0858
• .

• Pyridinium, 1-methyl-4-(p-(p-((p-((1-methylpyridinium-4-yl)amino)phenyl)carbamoyl)cinnamamido)anilino)-, di-p-toluenesulfonate
• 20719-22-6
• C34H32N6O2 . 2C7H7O3S
• 899.0442
• .

• Pyridinium, 1-methyl-3-(p-(p-((p-(1-methylpyridinium-3-yl)phenyl)carbamoyl)cinnamamido)phenyl)-, di-p-toluenesulfonate
• 19060-39-0
• C34H30N4O2 . 2C7H7O3S
• 869.015
• .

• Pyridinium, 1-methyl-3-(p-(p-((p-(1-methylpyridinium-3-yl)phenyl)carbamoyl)benzamido)benzamido)-, di-p-toluenesulfonate
• 19060-37-8
• C33H29N5O3 . 2C7H7O3S
• 886.0024
• .

• Pyridinium, 1-methyl-3-(p-(p-((p-((1-methylpyridinium-4-yl)amino)phenyl)carbamoyl)benzamido)benzamido)-, di-p-toluenesulfonate
• 68797-91-1
• C33H30N6O3 . 2C7H7O3S
• 901.0171
• .

• Pyridinium, 1-methyl-3-(p-(p-((((1-methylpyridinium-3-yl)carbamoyl)1,4-naphthyl)carbamoyl)benzamido)benzamido)-, di-p-toluenesulfonate
• 68771-76-6
• C38H32N6O4 . 2C7H7O3S
• 979.0858
• .

• Pyridinium, 1-ethyl-3-(p-(p-((p-(1-ethylpyridinium-3-yl)phenyl)carbamoyl)cinnamamido)phenyl)-,di-p-toluenesulfonate
• 20302-25-4
• C36H34N4O2 . 2C7H7O3S
• 897.0681
• .

• Pyridinium, 1-ethyl-3-(p-(p-((p-((1-ethylpyridinium-3-yl)carbamoyl)phenyl)carbamoyl)cinnamamido)benzamido)-, di-p-toluenesulfonate
• 19060-43-6
• C38H36N6O4 . 2C7H7O3S
• 0
• .

• Pyridinium, 1-butyl-3-(p-(p-((p-((1-butylpyridinium-3-yl)carbamoyl)phenyl)carbamoyl)cinnamamido)benzamido)-, di-p-toluenesulfonate
• 19060-45-8
• C42H44N6O4 . 2C7H7O3S
• 0
• .

• Pyridinol nitrosocarbamate
• 71799-98-9
• C11H13N5O6
• 311.2508
• .

• Pyridinium, 4,4'-(suberoylbis(imino-p-phenyleneimino))bis(1-ethyl-, dibromide
• 60172-05-6
• C34H42N6O2 . 2Br
• 726.5443
• .

• Pyridine-4-azo-p-dimethylaniline
• 63019-82-9
• C13H14N4
• 226.2771
• .

• Pyridine-2-aldoxime ethanesulfonate
• 63680-94-4
• C6H6N2O . C2H6O3S
• 232.2569
• .

• Pyridine-1-oxide-3-azo-p-dimethylaniline
• 59405-47-9
• C13H14N4O
• 0
• .

• Pyridinium, 3,3'-(2-methoxyterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-propyl-, di-p-toluenesulfonate
• 19060-76-5
• C39H40N6O5 . 2C7H7O3S
• 1015.1595
• .

• Pyridinium, 3,3'-(2-methoxyterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-methyl-, di-p-toluenesulfonate
• 19060-74-3
• C35H32N6O5 . 2C7H7O3S
• 959.0531
• .

• Pyridinium, 3,3'-(2-methoxyterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-ethyl-, di-p-toluenesulfonate
• 19060-75-4
• C37H36N6O5 . 2C7H7O3S
• 987.1063
• .

• Pyridinium, 3,3'-(2-chloroterephthaloylbis(imino-p-phenylenecarbonylimino))bis(1-methyl-, di-p-toluenesulfonate
• 16760-11-5
• C34H29ClN6O4 . 2C7H7O3S
• 963.4722
• .

• Pyridinium, 2-formyl-1-methyl-, chloride, oxime mixed with 1,1'-trimethylenebis(4-formylpyridinium), dichloride, dioxime (1:1)
• 74203-42-2
• C22H27Cl3N6O3
• 529.8472
• .

• Pyridinium, 1-propyl-3-(p-(p-((p-(1-propylpyridinium-3-yl)phenyl)carbamoyl)cinnamamido)phenyl)-, di-p-toluenesulfonate
• 19060-40-3
• C32H34N4O2 . 2C7H7O3S
• 925.1213
• .

• Pyridinium, 1-propyl-3-(p-(p-((p-((1-propylpyridinum-3-yl)carbamoyl)phenyl)carbamoyl)cinnamamido)benzamido)-, di-p-toluenesulfonate
• 19060-44-7
• C40H40N6O4 . 2C7H7O3S
• 1011.1708
• .

• Pyridomycin
• 18791-21-4
• C27H32N4O8
• 0
• .