• 4H-1-Benzopyran-4-one,7-[(6-deoxy-a-L-mannopyranosyl)oxy]-8-(b-D-glucopyranosyloxy)-3,5-dihydroxy-2-(4-hydroxyphenyl)-(9CI)
• 94696-40-9
• C27H30 O16
• .

• 4-Piperidinecarboxaldehyde,1-[2-(4-morpholinyl)ethyl]-4-phenyl-, hydrochloride (1:2)
• 94997-59-8
• C18H26 N2 O2 . 2 Cl H
• 0
• .

• 4-Pyridinecarboxylicacid, 2-phenylhydrazide
• 91396-88-2
• C12H11 N3 O
• 213.2352
• .

• 4,11-Triphenodioxazinedisulfonicacid, 6,13-dichloro-3,10-bis[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]disulfophenyl]amino]- (9CI)
• 94133-47-8
• C36H18 Cl6 N12 O20 S6
• 302-707-2
• 1343.7045
• .

• 4-Thiazolidinone,3-ethyl-5-(3-pyridinylmethylene)-2-thioxo-
• 91137-87-0
• C11H10 N2 O S2
• 250.3399
• .

• 4-Pyridinecarboxylicacid, 2-[[2-chloro-4-(dimethylamino)phenyl]methylene]hydrazide
• 92553-20-3
• C15H15 Cl N4 O
• 302.7588
• .

• 4-Thiazolidinone,5-[(3-iodophenyl)methylene]-3-(2-propen-1-yl)-2-thioxo-
• 92903-78-1
• C13H10 I N O S2
• 387.2591
• .

• 4(3H)-Pyrimidinone, 2,3-diamino-6-(trifluoromethyl)-
• 95095-71-9
• C₅H₅F₃N₄O
• 194.11
• .

• 4H-1-Benzothiopyran-4-one,3-(chloromethyl)-2-[3-(hydroxymethyl)-4-methylphenyl]-
• 93367-36-3
• C18H15 Cl O2 S
• 330.8285
• .

• 4,11-Triphenodioxazinedisulfonicacid,6,13-dichloro-3-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]disulfophenyl]amino]-10-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]sulfophenyl]amino]-(9CI)
• 94133-49-0
• C36H18 Cl6 N12 O17 S5
• 302-709-3
• 1263.6413
• .

• 4-Pyridinemethanol,a-(1-piperidinylmethyl)-, hydrochloride(1:2)
• 93138-70-6
• C12H18 N2 O . 2 Cl H
• 206.2841
• .

• 4H-Pyran-4-one,tetrahydro-2,6-dimethyl-, 2-(2,4-dinitrophenyl)hydrazone
• 92110-53-7
• C13H16 N4 O5
• 308.2899
• .

• 4H-1,2,4-Triazolium,3-[2-[4-(diethylamino)phenyl]diazenyl]-4-methyl-5-phenyl-1-(phenylmethyl)-, methyl sulfate (1:1)
• 94088-61-6
• C26 H29 N6
• 302-062-7
• 538.66166
• .

• 4,7-Methano-1H-indenedicarboxylicacid, octahydro-, copper(2+) salt (1:1) (9CI)
• 93776-43-3
• C12H16 O4 . Cu
• 297-972-3
• 285.78316
• .

• 4(3H)-Quinazolinone,6-bromo-2-phenyl-3-[2-[1-(1-piperidinylmethyl)-1H-benzimidazol-2-yl]phenyl]-
• 91045-26-0
• C33H28 Br N5 O
• 590.5123
• .

• 4(1H)-Quinazolinone,7-chloro-2,3-dihydro-3-(2-propen-1-yl)-2-thioxo-
• 91063-29-5
• C11H9 Cl N2 O S
• 0
• .

• 4(3H)-Pyrimidinone, 2-butyl-6-methyl-
• 90565-51-8
• C9H14 N2 O
• 166.2203
• .

• 4H-1-Benzopyran-4-one,3-hydroxy-2-(2-thienyl)-
• 91805-20-8
• C13H8 O3 S
• 244.2658
• .

• 4-Thiazolidinone,3-phenyl-5-(2-pyridinylmethylene)-2-thioxo-
• 92427-59-3
• C15H10 N2 O S2
• 0
• .

• 4H-1,3,6,2-Dioxazaborocine,2-butyltetrahydro-
• 92527-13-4
• C8H18 B N O2
• 171.045
• .

• 4,7-Methano-1H-indenol,octahydrodimethyl- (9CI)
• 94021-62-2
• C12H20 O
• 301-457-1
• 180.2866
• .

• 4,7-Epoxybenzo[c]thiophene, 1,3,3a,4,7,7a-hexahydro-, 2,2-dioxide, (3aR,4S,7R,7aS)-rel-
• 92688-77-2
• C8H10 O3 S
• 186.2282
• .

• 4,7-Methano-1H-indene-5-propanal,octahydro-a-methyl-
• 94278-34-9
• C14H22 O
• 304-724-0
• 206.32388
• .

• 4-Pyrimidinamine,2-methyl-6-propyl-
• 90088-76-9
• C8H13 N3
• 151.2089
• .

• 4,7-Methano-1H-indene,octahydro-5-(4-methoxybutylidene)-
• 93981-69-2
• C15H24 O
• 301-156-5
• 220.35046
• .

• 4,15,21,32,37,48-Hexaoxa-1,18-diazabicyclo(16.16.16)pentacontane-5,14,22,31,38,47-hexone
• 94088-54-7
• C₄₂H₇₂N₂O₁₂
• 302-055-9
• 797.02728
• .

• 4-Pyrimidinecarboxylicacid, 1,2,3,6-tetrahydro-2,6-dioxo-, iron(2+) salt (2:1)
• 94333-36-5
• C5H4 N2 O4 . 1/2 Fe
• 305-013-8
• 366.0216
• .

• 4H-1-Benzothiopyran-4-one,3-(chloromethyl)-8-methyl-2-phenyl-
• 93367-34-1
• C17H13 Cl O S
• 300.8025
• .

• 4,7-Methano-1H-inden-2-ol,octahydro-2-(4-methoxybutyl)-
• 94231-46-6
• C15H26 O2
• 303-863-4
• 238.36574
• .

• 4H-1-Benzothiopyran-4-one,5-(chloromethyl)-6-methoxy-2-phenyl-
• 93367-30-7
• C17H13 Cl O2 S
• 316.8019
• .

• 4-acetyl-N-octadecyl-benzamide
• 94086-69-8
• C₂₇H₄₅NO₂
• 301-858-1
• 415.6517
• .

• 4(3H)-Pyrimidinone, 6-methyl-5-[(methylnitrosoamino)methyl]-2-(1-piperidinyl)-
• 93002-45-0
• C12H19 N5 O2
• 265.3116
• .

• 4,7-Ethenobenzo[c]thiophene,1,3,3a,4,5,6,7,7a-octahydro-, 2,2-dioxide, (3aR,4S,7R,7aS)-rel-
• 92688-78-3
• C10H14 O2 S
• 0
• .

• 4-Thiazolidinone,3-phenyl-5-(4-pyridinylmethylene)-2-thioxo-
• 92427-61-7
• C15H10 N2 O S2
• 298.3827
• .

• 4H-Pyrido[1,2-a]pyrimidin-4-one,2-[2-(dimethylamino)ethoxy]-3-[(4-methoxyphenyl)methyl]-, hydrochloride (1:1)
• 907-65-3
• C20H23 N3 O3 . Cl H
• 353.4149
• .

• 4,4-(3H-2,1-Benzoxathiol-3-ylidene)bis((1,1-biphenyl)-2-ol) S,S-dioxide
• 94442-18-9
• C₃₁H₂₂O₅S
• 305-344-8
• 506.56838
• .

• 4,6(1H,5H)-Pyrimidinedione, 5-butyldihydro-1-methyl-2-thioxo-
• 90565-95-0
• C9H14 N2 O2 S
• 214.2847
• .

• 4-Quinolinecarboxylicacid, 2-(4-aminophenyl)-
• 94205-62-6
• C16H12 N2 O2
• 264.28
• .

• 4-Hexen-1-ol,2,2,5-trimethyl-, 1-acetate
• 94087-22-6
• C11H20 O2
• 301-915-0
• 184.2753
• .

• 4,6(1H,5H)-Pyrimidinedione,5-[2-(1-ethyl-2-pyrrolidinylidene)ethylidene]dihydro-1,3-dimethyl-2-thioxo-
• 93838-94-9
• C14H19 N3 O2 S
• 298-766-6
• 293.38456
• .

• 4,6(1H,5H)-Pyrimidinedione, 5-[(4-fluorophenyl)methylene]dihydro-2-thioxo-
• 92754-58-0
• C11H7 F N2 O2 S
• 250.2489
• .

• 4-Hexyn-3-ol,3-methyl-6-(1-piperidinyl)-, hydrochloride (1:1)
• 96145-86-7
• C12H21 N O . Cl H
• 231.7622
• .

• 4-Pyrimidinecarboxylicacid, 5-diazohexahydro-2,6-dioxo-
• 92306-77-9
• C5H4 N4 O4
• 185.1171
• .

• 4,5-Dihydro-3-methyl-2-(3-(3-methylthiazolidin-2-ylidene)prop-1-enyl)thiazolium methyl sulphate
• 93839-22-6
• C₁₂H₂₀N₂O₄S₃
• 298-792-8
• 352.4932
• .

• 4H-[1,2,4]Triazolo[3,4-c][1,4]benzoxazine-1-carboxamide
• 93299-79-7
• C10H8 N4 O2
• .

• 4-Hydroxy-7-((1-oxo-3-(phenylsulphonyl)propyl)amino)-3-((4-sulphophenyl)azo)naphthalene-2-sulphonic acid, potassium sodium salt
• 93803-31-7
• C25H19KN3NaO10S3
• 298-301-7
• 679.71553
• .

• 4-Quinolinecarboxylicacid, 1,2-dihydro-6-[(2-iodoacetyl)amino]-2-oxo-
• 92696-36-1
• C12H9 I N2 O4
• 372.1153
• .

• 4-Thiazolidinone,5-[(4-methoxyphenyl)methylene]-3-[[(4-methoxyphenyl)methylene]amino]-2-thioxo-
• 94258-53-4
• C19H16 N2 O3 S2
• 384.4719
• .

• 4-Heptanone,2-(1-propylbutylidene)hydrazone
• 92326-42-6
• C14H28 N2
• 224.3855
• .

• 4-((4-Chlorophenyl)thio)-10-methyl-7H-benzimidazo(2,1-a)benz(de)isoquinolin-7-one
• 97416-79-0
• C25H15ClN2OS
• 306-827-6
• 426.9174
• .