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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)))bis(benzenesulphonic) acid 84682-04-2 C32H24Cl2N8O8S2
    4,4'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)))bis(benzenesulphonic) acid
    —— 4-Bromobenzaldehyde-13C6 1037620-59-9 C7H5BrO
    4-Bromobenzaldehyde-13C6
    —— (4-Butoxyphenyl) 4-nonoxybenzoate 60161-38-8 C26H36O4
    (4-Butoxyphenyl) 4-nonoxybenzoate
    —— [(4S)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl] (2S)-3-hydroxy-2-phenylpropanoate;hydrobromide —— C17H22BrNO4
    [(4S)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl] (2S)-3-hydroxy-2-phenylpropanoate;hydrobromide
    —— 4-{[(6-Oxo-1,6-dihydropyridin-3-yl)carbonyl]amino}benzoic acid 697257-15-1 C13H10N2O4
    4-{[(6-Oxo-1,6-dihydropyridin-3-yl)carbonyl]amino}benzoic acid
    —— 4-Ethoxy-5-fluoro-2-nitroaniline 503541-71-7 C8H9FN2O3
    4-Ethoxy-5-fluoro-2-nitroaniline
    —— 4-(1-Methyltetrazol-5-yl)sulfanylbutan-2-one 392712-88-8 C6H10N4OS
    4-(1-Methyltetrazol-5-yl)sulfanylbutan-2-one
    —— 4-acetonyl-3-chloro-2-phenoxy-2-buten-4-olide 88969-74-8 C13H11ClO4
    4-acetonyl-3-chloro-2-phenoxy-2-buten-4-olide
    —— (4-nitrophenyl) (2S)-2-amino-3-methylbutanoate;hydrochloride 81086-53-5 C11H14N2O4*ClH
    (4-nitrophenyl) (2S)-2-amino-3-methylbutanoate;hydrochloride
    —— 4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;perchlorate 103749-25-3 C12H17ClN6O4
    4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;perchlorate
    —— 4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;4-methylbenzenesulfonate 23419-38-7 C19H24N6O3S
    4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;4-methylbenzenesulfonate
    —— 4-fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-benzofuran 2121511-48-4 C14H16BFO3
    4-fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-benzofuran
    —— 4-(2-(1-Ethyl-3,3-dimethyl-5-(phenylsulfonyl)indolin-2-ylidene)ethylidene)-3-phenylisoxazol-5(4H)-one —— C29H26N2O4S
    4-(2-(1-Ethyl-3,3-dimethyl-5-(phenylsulfonyl)indolin-2-ylidene)ethylidene)-3-phenylisoxazol-5(4H)-one
    —— 4,4'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)))bis(benzenesulphonic) acid 84682-05-3 C34H30N8O10S2
    4,4'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)))bis(benzenesulphonic) acid
    —— 4-t-butoxycarbonyl-2-methyl-5-trimethylsilyl-1,3-oxazole 86838-75-7 C12H21NO3Si
    4-t-butoxycarbonyl-2-methyl-5-trimethylsilyl-1,3-oxazole
    —— 4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;trichlorozinc(1-) 42917-79-3 C12H17Cl3N6Zn
    4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-N,N-dimethylaniline;trichlorozinc(1-)
    —— 4-methyl-4<i>H</i>-[1,2,4]triazole-3-sulfonic acid 29982-43-2 C3H5N3O3S
    4-methyl-4<i>H</i>-[1,2,4]triazole-3-sulfonic acid
    —— 4-(1-methyl-3,5-dinitro-1H-pyrazol-4-yl)morpholine 384821-82-3 C8H11N5O5
    4-(1-methyl-3,5-dinitro-1H-pyrazol-4-yl)morpholine
    —— 4,4,6-trimethyl-2-((<i>E</i>)-2-phenyl-propenyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine 50259-46-6 C16H21NO
    4,4,6-trimethyl-2-((<i>E</i>)-2-phenyl-propenyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine
    —— 4(R)-[(2R)-1,4-Dioxaspiro[4.5]decanyl]-4-allyloxy-1-butene 919769-77-0 C15H24O3
    4(R)-[(2R)-1,4-Dioxaspiro[4.5]decanyl]-4-allyloxy-1-butene
    —— (4-Chloro-phenyl)-[5-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazono}-[1,2,4]dithiazolidin-(3E)-ylidene]-amine 88089-85-4 C16H13ClN4OS2
    (4-Chloro-phenyl)-[5-{[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazono}-[1,2,4]dithiazolidin-(3E)-ylidene]-amine
    —— 4-(2-(4-Methyl-5-thiazolyl)ethyl)-1-piperazinecarboxylic acid ethyl ester hydrochloride 89663-22-9 C13H22ClN3O2S
    4-(2-(4-Methyl-5-thiazolyl)ethyl)-1-piperazinecarboxylic acid ethyl ester hydrochloride
    —— 4(R)-[1'(S)-[tert-(butoxycarbonyl)amino]ethyl]pyrrolidinone-2-thione 155224-56-9 C11H20N2O2S
    4(R)-[1'(S)-[tert-(butoxycarbonyl)amino]ethyl]pyrrolidinone-2-thione
    —— 4-Amino-5-chloro-N-[1-[3-(4-fluorophenoxy)propyl]-3-methoxy-1-oxido-4-piperidinyl]-2-methoxybenzamide 104860-75-5 C23H29ClFN3O5
    4-Amino-5-chloro-N-[1-[3-(4-fluorophenoxy)propyl]-3-methoxy-1-oxido-4-piperidinyl]-2-methoxybenzamide
    —— 4-[2-(quinolinyl)ethenyl]benzonitrile 40317-06-4 C18H12N2
    4-[2-(quinolinyl)ethenyl]benzonitrile
    —— 4-Ethoxy-4-oxobut-2-enoate —— C6H7O4-
    4-Ethoxy-4-oxobut-2-enoate
    —— (4E)-4-[1,3-benzodioxol-5-yl(chloro)methylidene]oxolane-2,3,5-trione 62848-54-8 C12H5ClO6
    (4E)-4-[1,3-benzodioxol-5-yl(chloro)methylidene]oxolane-2,3,5-trione
    —— 4,4,6-trimethyl-2-(2-phenyl-propenyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine 50259-45-5 C16H21NO
    4,4,6-trimethyl-2-(2-phenyl-propenyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine
    —— 4-(1-Imidazolyl)-diphenyl ether, hydrochloride 61292-72-6 C15H12N2O*ClH
    4-(1-Imidazolyl)-diphenyl ether, hydrochloride
    —— (4-Nitro-phenyl)-pyrrolidin-1-yl-methanone O-methyl-oxime 97315-92-9 C12H15N3O3
    (4-Nitro-phenyl)-pyrrolidin-1-yl-methanone O-methyl-oxime
    —— 4-Chloro-2-[(4-methylphenyl)amino]-1,3-thiazole-5-carbaldehyde 438029-51-7 C11H9ClN2OS
    4-Chloro-2-[(4-methylphenyl)amino]-1,3-thiazole-5-carbaldehyde
    —— 4-<4-Methoxy-2-methyl-phenyl>-butanol-1 4693-98-5 C12H18O2
    4-<4-Methoxy-2-methyl-phenyl>-butanol-1
    —— 4-<2-(morpholinomethyl)butanoyl>-2-(carboxymethoxy)-N-methylaniline 138372-54-0 C18H26N2O5
    4-<2-(morpholinomethyl)butanoyl>-2-(carboxymethoxy)-N-methylaniline
    —— 4-Nitro-benzoic acid 1-dimethylthiocarbamoyl-1-phenyl-ethyl ester 115245-19-7 C18H18N2O4S
    4-Nitro-benzoic acid 1-dimethylthiocarbamoyl-1-phenyl-ethyl ester
    —— 4-phosphonomethoxyethylamino-6-amino-5-nitropyrimidine 169769-47-5 C7H12N5O6P
    4-phosphonomethoxyethylamino-6-amino-5-nitropyrimidine
    —— (+/-)-4-bromo-2,3,3-trimethyl-5-(trimethylsilanyl)pent-4-enoic acid 646501-17-9 C11H21BrO2Si
    (+/-)-4-bromo-2,3,3-trimethyl-5-(trimethylsilanyl)pent-4-enoic acid
    —— 4-(4-Hydroxy-5,5,8a-trimethyl-2-methylene-decahydro-naphthalen-1-yl)-butan-2-one 7681-89-2 C18H30O2
    4-(4-Hydroxy-5,5,8a-trimethyl-2-methylene-decahydro-naphthalen-1-yl)-butan-2-one
    —— 4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride —— C21H22ClN3
    4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride
    —— 4,4a(2)-Methylenebis[N-(4-chlorophenyl)-3-hydroxy-2-naphthalenecarboxamide] 192463-88-0 C35H24Cl2N2O4
    4,4a(2)-Methylenebis[N-(4-chlorophenyl)-3-hydroxy-2-naphthalenecarboxamide]
    —— 4-(2-hydroxybenzoylamino)-3-hydroxybenzylalcohol 218949-52-1 C14H13NO4
    4-(2-hydroxybenzoylamino)-3-hydroxybenzylalcohol
    —— 4-[2-(Dimethylazaniumyl)ethylamino]-4-oxobut-2-enoate —— C8H14N2O3
    4-[2-(Dimethylazaniumyl)ethylamino]-4-oxobut-2-enoate
    —— 4-Hydroxy-4-phenylbut-3-en-2-one;samarium —— C30H30O6Sm
    4-Hydroxy-4-phenylbut-3-en-2-one;samarium
    —— 4-[1-Dimethylamino-meth-(E)-ylidene]-3,4-dihydro-2H-benzo[b]thiepin-5-one 132291-81-7 C13H15NOS
    4-[1-Dimethylamino-meth-(E)-ylidene]-3,4-dihydro-2H-benzo[b]thiepin-5-one
    —— 4-Pentenoic acid, 4,5-dichloro-2-(1-methylethyl)-, (E)- 87953-17-1 C8H12Cl2O2
    4-Pentenoic acid, 4,5-dichloro-2-(1-methylethyl)-, (E)-
    —— 4,5-dihydro-humulene 88472-32-6 C15H26
    4,5-dihydro-humulene
    —— 4-Methyl-5-hydroxy-trans-2,trans-4-pentadienal-benzoat 55546-49-1 C13H12O3
    4-Methyl-5-hydroxy-trans-2,trans-4-pentadienal-benzoat
    —— 4-phenyl-1-(phenylseleno)-1-penten-4-ol 85363-38-8 C17H18OSe
    4-phenyl-1-(phenylseleno)-1-penten-4-ol
    —— (+/-)-4-bromo-2,3,3-trimethylhex-4-enoic acid 505066-92-2 C9H15BrO2
    (+/-)-4-bromo-2,3,3-trimethylhex-4-enoic acid
    —— 4-(Hydrazinylmethylidene)-2-methyloxolan-3-one 648408-61-1 C6H10N2O2
    4-(Hydrazinylmethylidene)-2-methyloxolan-3-one
    —— 4-Nitro-benzoic acid 1-ethyl-1,2,2-trimethyl-propyl ester 55705-68-5 C15H21NO4
    4-Nitro-benzoic acid 1-ethyl-1,2,2-trimethyl-propyl ester