• 4-Piperidinol,4-(3-phenylpropyl)-, hydrochloride (1:1)
• 83763-30-8
• C14H21 N O . Cl H
• 280-714-9
• 255.78358
• .

• 4-Heptene-3-thione,6,6,7,7-tetrafluoro-5-hydroxy-2-methyl-
• 88552-01-6
• C8H10 F4 O S
• 0
• .

• 4-Piperidinol,4-(4-methylphenyl)-1-(phenylmethyl)-, hydrochloride (1:1)
• 83898-26-4
• C19H23 N O . Cl H
• 281-234-2
• 317.85296
• .

• 4H-1-Benzopyran-4-one,2-[3,4-bis(hydroxymethoxy)phenyl]-3-[[6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-5-hydroxy-7-(hydroxymethoxy)-
• 84145-74-4
• C30H36 O19
• 282-304-5
• 700.59544
• .

• 4-Benzoxazolecarboxylicacid,2-[[(2R,3R,6S,8S,9R,11R)-3,9,11-trimethyl-8-[(1S)-1-methyl-2-oxo-2-(1H-pyrrol-2-yl)ethyl]-1,7-dioxaspiro[5.5]undec-2-yl]methyl]-(9CI)
• 83874-22-0
• C28H34 N2 O6
• 0
• .

• 4-(Ammoniomethyl)pyridinium sulphate
• 84824-93-1
• C6H10N2O4S
• 284-246-6
• 206.2196
• .

• 4,14-Dioxatricyclo[11.3.2.03,5]octadec-8-en-15-one,12-hydroxy-5,9,13-trimethyl-16-methylene-, (1R,3S,5S,8E,12R,13R)-
• 88643-48-5
• C20H30 O4
• 0
• .

• 4H-1-Benzopyran-4-one,6-b-D-galactopyranosyl-5,7,8-trihydroxy-2-(4-hydroxyphenyl)-
• 82014-23-1
• C21H20 O11
• 0
• .

• 4-Thiazolidinecarboxylicacid, 2-(2-hydroxyphenyl)-3-(3-mercapto-1-oxopropyl)-, (2R,4R)-
• 80830-42-8
• C13H15 N O4 S2
• 313.41
• .

• 4-Piperidinecarboxylicacid, 4-phenyl-, butyl ester, hydrochloride (1:1)
• 83929-38-8
• C16H23 N O2 . Cl H
• 281-334-6
• 297.82026
• .

• 4-Thiazolidinone,2-(2-methoxyphenyl)-5-methyl-
• 82697-74-3
• C11H13 N O2 S
• 0
• .

• 4-Morpholineacetamide,N-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-, hydrochloride (1:1)
• 85564-85-8
• C18H24 N2 O2 . Cl H
• 0
• .

• 4-Oxazoleacetic acid,2-(4-chlorophenyl)-5-(2-furanyl)-, ethyl ester
• 88352-44-7
• C17H14 Cl N O4
• 0
• .

• 4-((Z)-Octadec-9-enyl)morpholinium acetate
• 84696-70-8
• C24H47NO3
• 283-676-1
• 397.63488
• .

• 4H-1,3-Benzodioxin-4-one,2-(2-methoxyphenoxy)-2-methyl-
• 81674-79-5
• C₁₆H₁₄O₅
• 安全数据
• 286.28
• .

• 4-Thiazolidinone,3-[[4-(4-chlorophenyl)-1-piperazinyl]methyl]-5-(3-phenyl-2-propen-1-ylidene)-2-thioxo-
• 86650-21-7
• C23H22 Cl N3 O S2
• 0
• .

• 4,7,10,13,16,19-Docosahexaenoicacid, ethyl ester
• 84494-72-4
• C₂₄H₃₆O₂
• 356.5414
• .

• 4-Thiazolidinone,5-(3-phenyl-2-propen-1-ylidene)-3-(1-piperidinylmethyl)-2-thioxo-
• 86650-17-1
• C18H20 N2 O S2
• 0
• .

• 4,6(1H,5H)-Pyrimidinedione,5-ethyldihydro-5-(4-hydroxyphenyl)-
• 88456-71-7
• C12H14 N2 O3
• 0
• .

• 4(3H)-Quinazolinone,2-[(hexahydro-1H-azepin-1-yl)methyl]-6-iodo-3-(2-methylphenyl)-
• 80930-91-2
• C22H24 I N3 O
• 0
• .

• 4-Piperidinecarbonitrile,4-hydroxy-1-(2-phenylethyl)-, hydrochloride (1:1)
• 84682-26-8
• C14H18 N2 O . Cl H
• 283-588-3
• 266.76646
• .

• 4H-Pyrido[3,2-b]-1,4-oxazine-4-ethanamine,2,3-dihydro-N,N,2,2-tetramethyl-, hydrochloride (1:3)
• 86979-84-2
• C13H21 N3 O . 3 Cl H
• 0
• .

• 4-Piperidinemethanol, a-ethyl-4-phenyl-
• 83763-29-5
• C14H21 N O
• 280-713-3
• 219.32264
• .

• 4(1H)-Quinolinone, 2-heptyl-1-methyl-
• 80554-58-1
• C₁₇H₂₃NO
• 257.3706
• .

• 4-Thioxo-1H-pyrimidine-2,6-diammonium sulphate
• 81012-96-6
• C₄H₅N₄S-
• 279-657-2
• 382.44
• .

• 4H,6H-[1,3]Thiazino[2,3-b]quinazolin-4-one,2-methyl-
• 85852-71-7
• C12H10 N2 O S
• 0
• .

• 4-(6,8-Dioxa-3-azabicyclo(3.2.1)oct-5-yl)benzonitrile (Z)-2-butenedioate (1:1)
• 84509-14-8
• C₁₆H₁₆N₂O₆
• 0
• .

• 4H-Pyrrolo[2,3-d]pyrimidin-4-one,2-amino-7-(2-deoxy-b-D-erythro-pentofuranosyl)-1,7-dihydro-
• 86392-75-8
• C11H14 N4 O4
• 266.2533
• .

• 4-Thiazoleethanethioicacid, 2-amino-a-(methoxyimino)-,S-2-pyridinyl ester, (Z)- (9CI)
• 80756-32-7
• C11H10 N4 O2 S2
• 279-539-0
• 294.3527
• .

• 4H-1-Benzopyran-4-one,5-(b-D-glucopyranosyloxy)-3-(4-hydroxyphenyl)-7-methoxy-
• 89595-66-4
• C22H22 O10
• 446.4
• .

• 4-Morpholinepentanenitrile
• 84145-72-2
• C9H16 N2 O
• 282-301-9
• 182.26272
• .

• 4(1H)-Quinolinone,1-methyl-
• 83-54-5
• C10H9 N O
• 201-485-3
• 159.18456
• .

• 4,6(1H,5H)-Pyrimidinedione,5,5-diethyl-2-[(4-methylphenyl)amino]-
• 87215-97-2
• C15H19 N3 O2
• 0
• .

• 4-Imidazolidinone,3-[3-(dimethylamino)propyl]-5-(1-methylethyl)-2-thioxo-
• 86503-12-0
• C11H21 N3 O S
• 0
• .

• 4,4-Carbonimidoylbis(N,N-dimethylbenzenamine sulphate
• 84255-16-3
• C17H23N3O4S
• 282-562-9
• 365.44722
• .

• 4(3H)-Quinazolinone,2-[[2-[4-(4-chlorophenyl)-1-piperazinyl]-2-oxoethyl]thio]-3-(3-fluorophenyl)-
• 81262-74-0
• C26H22 Cl F N4 O2 S
• 0
• .

• 4-Imidazolidinecarboxylicacid,3-[(2S)-2-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1-methyl-2-oxo-,hydrochloride (1:1), (4S)-
• 89396-94-1
• C₂₀H₂₇N₃O₆^.HCl
• 405.44488
• .

• 4(3H)-Quinazolinone,2-[4-[3-[[2-(3,4-dimethoxyphenyl)ethyl]methylamino]-2-hydroxypropoxy]phenyl]-6-methoxy-3-methyl-,hydrochloride (1:2)
• 83722-15-0
• C30H35 N3 O6 . 2 Cl H
• 0
• .

• 4(3H)-Pyrimidinone,3-(2-fluorophenyl)-2-methyl-
• 87356-51-2
• C11H9 F N2 O
• 0
• .

• 4-Pyridinecarboxaldehyde,3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-, O-acetyloxime
• 83351-95-5
• C10H13 N2 O7 P
• 0
• .

• 4-Morpholinecarboxamide,N-(2-chloroethyl)-N-nitroso-
• 80153-69-1
• C7H12 Cl N3 O3
• 0
• .

• 4-Thiazolidinone,3-[(2,4-dimethylphenyl)methyl]-2-(1H-indol-3-yl)-
• 86427-41-0
• C20H20 N2 O S
• 0
• .

• 4(3H)-Quinazolinone,2-[[2-oxo-2-(4-phenyl-1-piperazinyl)ethyl]thio]-3-phenyl-
• 81262-71-7
• C26H24 N4 O2 S
• 0
• .

• 4-Thiazolidinone,2-(1H-indol-3-yl)-3-[(4-methoxyphenyl)methyl]-
• 86427-43-2
• C19H18 N2 O2 S
• 0
• .

• 4(3H)-Pteridinone,7,8-dihydro-
• 89418-07-5
• C6H6 N4 O
• 150.13804
• .

• 4-Imidazolidinone,1,3-dimethyl-2-thioxo-5-[2-(1,5,5-trimethyl-2-pyrrolidinylidene)ethylidene]-
• 81484-99-3
• C14H21 N3 O S
• 279-769-1
• 279.40104
• .

• 4-Morpholinepropanenitrile,2,6-dimethyl-
• 84145-73-3
• C9H16 N2 O
• 282-302-4
• 168.23614
• .

• 4-Pyridinecarboxylicacid, [(17a)-17-hydroxy-19-norpregn-4-en-20-yn-3-ylidene]hydrazide(9CI)
• 86762-75-6
• C26H31 N3 O2
• 0
• .

• 4-Acridinecarboxamide,9-amino-N-[2-(dimethylamino)ethyl]-5-methoxy-, hydrochloride (1:2)
• 89459-11-0
• C19H22 N4 O2 . 2 Cl H
• 0
• .

• 4(1H)-Pteridinone,2-amino-5,6,7,8-tetrahydro-6-[(2S)-2-hydroxy-1-oxopropyl]-, (6R)- (9CI)
• 87622-51-3
• C9H13 N5 O3
• 0
• .