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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(p-ethoxyphenyliminomethyl)-5-hydroxy-6-methylpyridine-3-methanol 4943-90-2 C16H18N2O3
    4-(p-ethoxyphenyliminomethyl)-5-hydroxy-6-methylpyridine-3-methanol
    —— (4-methoxybenzoyl)(2-methylpyridin-1-ium-1-yl)amide 1337984-78-7 C14H14N2O2
    (4-methoxybenzoyl)(2-methylpyridin-1-ium-1-yl)amide
    —— (4aR,6S,8aS)-2,4,4,6-tetramethyl-1-(4-methylphenyl)sulfonyl-4a,5,6,8a-tetrahydroquinazoline 1314036-33-3 C19H26N2O2S
    (4aR,6S,8aS)-2,4,4,6-tetramethyl-1-(4-methylphenyl)sulfonyl-4a,5,6,8a-tetrahydroquinazoline
    —— 4-bromo-1-naphthaleneacetyl chloride 52112-99-9 C12H8BrClO
    4-bromo-1-naphthaleneacetyl chloride
    —— 4-Butyl-2,4,5-trimethyl-1,3-dioxan 34040-21-6 C11H22O2
    4-Butyl-2,4,5-trimethyl-1,3-dioxan
    —— 4-Piperidino-1,1-diphenyl-1-buten-3-on-hydrogenthiocyanat 41239-59-2 CHNS*C21H23NO
    4-Piperidino-1,1-diphenyl-1-buten-3-on-hydrogenthiocyanat
    —— 4,4'-(4-hydroxy-isophthaloyl)-bis-morpholine 30728-54-2 C16H20N2O5
    4,4'-(4-hydroxy-isophthaloyl)-bis-morpholine
    —— (4-chloro-phenyl)-(3-methoxy-6-nitro-acridin-9-yl)-amine 37392-49-7 C20H14ClN3O3
    (4-chloro-phenyl)-(3-methoxy-6-nitro-acridin-9-yl)-amine
    —— 4-acetoxy-5-oxo-1,2-diphenyl-2,5-dihydro-pyrrole-3-carboxylic acid ethyl ester 36797-46-3 C21H19NO5
    4-acetoxy-5-oxo-1,2-diphenyl-2,5-dihydro-pyrrole-3-carboxylic acid ethyl ester
    —— 4-[(E)-2-(6,7-Dimethyl-benzooxazol-2-yl)-vinyl]-benzoic acid 2-dimethylamino-ethyl ester 24061-59-4 C22H24N2O3
    4-[(E)-2-(6,7-Dimethyl-benzooxazol-2-yl)-vinyl]-benzoic acid 2-dimethylamino-ethyl ester
    —— 4-[7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenoyl]-morpholine 60362-08-5 C23H33NO2
    4-[7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenoyl]-morpholine
    —— 4-[2-(4-chloro-benzyloxy)-propyl]-morpholine 6598-38-5 C14H20ClNO2
    4-[2-(4-chloro-benzyloxy)-propyl]-morpholine
    —— 4-(2-Chloro-naphthalen-1-yl)-2-oxo-pyrrolidine-3-carboxylic acid methyl ester 60611-14-5 C16H14ClNO3
    4-(2-Chloro-naphthalen-1-yl)-2-oxo-pyrrolidine-3-carboxylic acid methyl ester
    —— 4-Amino-7-aethylamino-2-phenyl-pteridin-6-carbonsaeure-aethylamid 6699-53-2 C17H19N7O
    4-Amino-7-aethylamino-2-phenyl-pteridin-6-carbonsaeure-aethylamid
    —— 4-Methyl-N-(2-methyl-2-phenylamino-propyl)-benzenesulfonamide 59564-67-9 C17H22N2O2S
    4-Methyl-N-(2-methyl-2-phenylamino-propyl)-benzenesulfonamide
    —— [4-(1,1-dioxo-1H-1λ6-benzo[d]isothiazol-3-ylazo)-anilino]-guanidine 19771-89-2 C14H13N7O2S
    [4-(1,1-dioxo-1H-1λ6-benzo[d]isothiazol-3-ylazo)-anilino]-guanidine
    —— (4-methylphenethyl)(p-tolyl)sulfane 1512844-33-5 C16H18S
    (4-methylphenethyl)(p-tolyl)sulfane
    —— 4-Isopropylcyclohexanone oxime 103027-46-9 C9H17NO
    4-Isopropylcyclohexanone oxime
    —— 4-O-Acetyl-5-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-D-arabinose 138458-96-5 C26H34O6Si
    4-O-Acetyl-5-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-D-arabinose
    —— 4-(2-Hydroxy-4-methylphenylimino)-2,6-di-tert-butyl-2,5-cyclohexadien-1-one 124980-81-0 C21H27NO2
    4-(2-Hydroxy-4-methylphenylimino)-2,6-di-tert-butyl-2,5-cyclohexadien-1-one
    —— 4-methyl-N'-((3S,3aS,5aS,8S,9bS)-3,5a,9-trimethyl-2-oxo-2,3,3a,4,5,5a,6,7,8,9b-decahydronaphtho[1,2-b]furan-8-yl)benzenesulfonohydrazide 74501-27-2 C22H30N2O4S
    4-methyl-N'-((3S,3aS,5aS,8S,9bS)-3,5a,9-trimethyl-2-oxo-2,3,3a,4,5,5a,6,7,8,9b-decahydronaphtho[1,2-b]furan-8-yl)benzenesulfonohydrazide
    —— 4-bromo-(methyl (S)-lactyl) crotonate 173092-98-3 C8H11BrO4
    4-bromo-(methyl (S)-lactyl) crotonate
    —— 4,4-dimethyl-morpholinium; (+-)-S-methyl-O-(4-nitro-phenyl)-thiophosphate 108039-08-3 C6H14NO*C7H7NO5PS
    4,4-dimethyl-morpholinium; (+-)-S-methyl-O-(4-nitro-phenyl)-thiophosphate
    —— 4-(7-fluoro-6-nitro-4-oxo-4H-chromen-2-yl)benzoic acid 943246-48-8 C16H8FNO6
    4-(7-fluoro-6-nitro-4-oxo-4H-chromen-2-yl)benzoic acid
    —— 4-[[(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)-5-[4-(pyridin-2-ylsulfamoyl)phenyl]iminohepta-1,6-dien-3-ylidene]amino]-N-pyridin-2-ylbenzenesulfonamide 1443768-39-5 C43H38N6O8S2
    4-[[(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)-5-[4-(pyridin-2-ylsulfamoyl)phenyl]iminohepta-1,6-dien-3-ylidene]amino]-N-pyridin-2-ylbenzenesulfonamide
    —— [4-(5-pentylpyrimidin-2-yl)phenyl] 5-butylpyridine-2-carboxylate 100201-98-7 C25H29N3O2
    [4-(5-pentylpyrimidin-2-yl)phenyl] 5-butylpyridine-2-carboxylate
    —— 4,5-diacetoxy-7-octyloxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid 1204769-35-6 C27H28O9
    4,5-diacetoxy-7-octyloxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid
    —— 4-(α-chloro-benzyl)-3-hydroxy-[2]naphthoic acid methyl ester 858022-50-1 C19H15ClO3
    4-(α-chloro-benzyl)-3-hydroxy-[2]naphthoic acid methyl ester
    —— 4-(5-hydroperfluoropentylidene)-2-phenyl-2-oxazolin-5-one 116142-54-2 C14H7F8NO2
    4-(5-hydroperfluoropentylidene)-2-phenyl-2-oxazolin-5-one
    —— (4aS,6S,7R,7aS)-6-Acetoxy-7-methyl-3-oxo-1-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-octahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester 112575-21-0 C27H36O16
    (4aS,6S,7R,7aS)-6-Acetoxy-7-methyl-3-oxo-1-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-octahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester
    —— [4-[(5-Amino-2-methylbenzoyl)amino]phenyl] acetate 1025835-80-6 C16H16N2O3
    [4-[(5-Amino-2-methylbenzoyl)amino]phenyl] acetate
    —— (4S)-4-tert-butyl-N-(2,2-dimethylpent-4-enoyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxamide 803683-47-8 C17H30N2O3
    (4S)-4-tert-butyl-N-(2,2-dimethylpent-4-enoyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxamide
    —— 4-chlorophenyl 3,3-dimethylaminopropionate 62131-47-9 C11H14ClNO2
    4-chlorophenyl 3,3-dimethylaminopropionate
    —— 4-{4-[6-amino-5-(hydroxymethyl)pyridin-3-yl]phenyl}-N-[5-(2-methyl-1,3-thiazol-4-yl)pyridin-2-yl]tetrahydro-2H-pyran-4-carboxamide 1382485-00-8 C27H27N5O3S
    4-{4-[6-amino-5-(hydroxymethyl)pyridin-3-yl]phenyl}-N-[5-(2-methyl-1,3-thiazol-4-yl)pyridin-2-yl]tetrahydro-2H-pyran-4-carboxamide
    —— 4-nitrophenyl 2-(N-methylacetamido)benzenesulfonate 97042-35-8 C15H14N2O6S
    4-nitrophenyl 2-(N-methylacetamido)benzenesulfonate
    —— 4-carboxycubane-1-thioxanthenyl-1-(5,5'-hydantoin) 674768-44-6 C27H22N2O4S
    4-carboxycubane-1-thioxanthenyl-1-(5,5'-hydantoin)
    —— 4-[(3S,4S)-3-(3-chlorophenyl)-5-methylidene-4-naphthalen-2-yloxazinan-2-yl]benzoic acid 948309-08-8 C28H22ClNO3
    4-[(3S,4S)-3-(3-chlorophenyl)-5-methylidene-4-naphthalen-2-yloxazinan-2-yl]benzoic acid
    —— 4-methoxy-1-methyl-1,4-dihydrobenzo[b][1,4]azaborinine 1527467-72-6 C10H12BNO
    4-methoxy-1-methyl-1,4-dihydrobenzo[b][1,4]azaborinine
    —— 4-[(2-hydroxy-phenylimino)-morpholin-4-yl-acetyl]-morpholine 27412-01-7 C16H21N3O4
    4-[(2-hydroxy-phenylimino)-morpholin-4-yl-acetyl]-morpholine
    —— (4-benzyl-piperazin-1-yl)-{4-[bis-(2-chloro-ethyl)-amino]-benzylidene}-amine 41379-23-1 C22H28Cl2N4
    (4-benzyl-piperazin-1-yl)-{4-[bis-(2-chloro-ethyl)-amino]-benzylidene}-amine
    —— 4-Hydroxy-3-[(E)-3-(4-methoxy-phenyl)-acryloyl]-thiochromen-2-one 34899-37-1 C19H14O4S
    4-Hydroxy-3-[(E)-3-(4-methoxy-phenyl)-acryloyl]-thiochromen-2-one
    —— 4-Methyl-1-(3-methyl-butyl)-piperazine-2-carboxylic acid methyl ester 241499-36-5 C12H24N2O2
    4-Methyl-1-(3-methyl-butyl)-piperazine-2-carboxylic acid methyl ester
    —— 4-N-acetyl-5-chloro-5'-O-(4,4'-dimethoxytrityl)-deoxycytidine 1356140-66-3 C32H32ClN3O7
    4-N-acetyl-5-chloro-5'-O-(4,4'-dimethoxytrityl)-deoxycytidine
    —— (4S,5S)-2-(diethoxyphosphorylmethyl)-4-(methoxymethyl)-5-(4-methylsulfanylphenyl)-4,5-dihydro-1,3-oxazole 203576-41-4 C17H26NO5PS
    (4S,5S)-2-(diethoxyphosphorylmethyl)-4-(methoxymethyl)-5-(4-methylsulfanylphenyl)-4,5-dihydro-1,3-oxazole
    —— 4Z-octadecene-1-ol 41207-37-8 C18H36O
    4Z-octadecene-1-ol
    —— 4-amino-6-[2-(4-methoxyphenyl)vinyl]-3-[N'-(1,2,3,4-tetrahydroxy-1-hydroxymethylpentylidene)hydrazino]-3H-[1,2,4]triazin-5-one 1234370-83-2 C18H24N6O7
    4-amino-6-[2-(4-methoxyphenyl)vinyl]-3-[N'-(1,2,3,4-tetrahydroxy-1-hydroxymethylpentylidene)hydrazino]-3H-[1,2,4]triazin-5-one
    —— (4S,4aR,7R,8aS)-4-{(R)-1-Acetoxy-2-[(1S,2S)-1-methoxycarbonyl-2-((R)-1-methoxy-ethyl)-5-oxo-cyclopentyl]-ethyl}-7-(dimethyl-phenyl-silanyl)-4a-ethylsulfanylcarbonyl-2,5-dioxo-decahydro-naphthalene-1-carboxylic acid allyl ester 666831-57-8 C39H52O11SSi
    (4S,4aR,7R,8aS)-4-{(R)-1-Acetoxy-2-[(1S,2S)-1-methoxycarbonyl-2-((R)-1-methoxy-ethyl)-5-oxo-cyclopentyl]-ethyl}-7-(dimethyl-phenyl-silanyl)-4a-ethylsulfanylcarbonyl-2,5-dioxo-decahydro-naphthalene-1-carboxylic acid allyl ester
    —— 4-Methyl-1,5-dihydro-pentalene 33284-13-8 C9H10
    4-Methyl-1,5-dihydro-pentalene
    —— 4-(2-Methoxy-5-nitrophenyl)-1H-tetrazolin-5-thion 22347-36-0 C8H7N5O3S
    4-(2-Methoxy-5-nitrophenyl)-1H-tetrazolin-5-thion
    —— {4-[3-(3,4-Dimethoxy-phenyl)-3-oxo-propionyl]-3-hydroxy-phenoxy}-acetic acid ethyl ester 21554-85-8 C21H22O8
    {4-[3-(3,4-Dimethoxy-phenyl)-3-oxo-propionyl]-3-hydroxy-phenoxy}-acetic acid ethyl ester