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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-diamino-6,7-(2',1',3'-oxadiazole)benzo-2,1,3-thiadiazole 76186-75-9 C6H4N6OS
    4,5-diamino-6,7-(2',1',3'-oxadiazole)benzo-2,1,3-thiadiazole
    —— 4,4-diphenylbuta-2,3-dien-1-ol 83564-69-6 C16H14O
    4,4-diphenylbuta-2,3-dien-1-ol
    —— 4-benzyl-7-chloro-2-oxa-spiro[5,5]undeca-3,7-dien-1-one 1260150-21-7 C17H17ClO2
    4-benzyl-7-chloro-2-oxa-spiro[5,5]undeca-3,7-dien-1-one
    —— 4-Acetyl-3-phenyl-5-oxo-4.5-dihydro-1H-1.2.4-triazol 16956-38-0 C10H9N3O2
    4-Acetyl-3-phenyl-5-oxo-4.5-dihydro-1H-1.2.4-triazol
    —— 4-Dimethylamino-1-(o-tolyl)-1-(2-methylamino-phenyl)-butan 3311-47-5 C20H28N2
    4-Dimethylamino-1-(o-tolyl)-1-(2-methylamino-phenyl)-butan
    —— 4-Phenyl-2,2-dibenzyl-1,3-dithiol-1,1,3,3-tetroxid 96309-28-3 C23H20O4S2
    4-Phenyl-2,2-dibenzyl-1,3-dithiol-1,1,3,3-tetroxid
    —— 4-amino-t-azobenzene anion radical 60-09-3 C12H11N3
    4-amino-t-azobenzene anion radical
    —— 4,8-Dimethyl-4'-(N,N-dimethylaminomethyl)-4',5'-dihydropsoralen hydroiodide salt 273410-15-4 C16H19NO3*HI
    4,8-Dimethyl-4'-(N,N-dimethylaminomethyl)-4',5'-dihydropsoralen hydroiodide salt
    —— (4-2-benzyl-3-(benzyloxy)-2-[(benzyloxy)methyl]propylphenyl)(difluoro)methylphosphonic acid 261175-28-4 C32H33F2O5P
    (4-2-benzyl-3-(benzyloxy)-2-[(benzyloxy)methyl]propylphenyl)(difluoro)methylphosphonic acid
    —— [(4-Chloromethyl-[1,3,2]dioxaphospholan-2-yloxy)-phenyl-methyl]-phosphonic acid diethyl ester 16271-86-6 C14H21ClO6P2
    [(4-Chloromethyl-[1,3,2]dioxaphospholan-2-yloxy)-phenyl-methyl]-phosphonic acid diethyl ester
    —— (4S,5R)-5-(4-Fluoro-3-nitro-phenyl)-2-oxo-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester 218901-84-9 C15H15FN2O8
    (4S,5R)-5-(4-Fluoro-3-nitro-phenyl)-2-oxo-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester
    —— 4-(3,4-dichlorophenyl)-6-(2-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile 1394866-45-5 C18H9Cl2FN2O
    4-(3,4-dichlorophenyl)-6-(2-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile
    —— 4-(2-ethoxyphenyl)-6-(2-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile 1394866-38-6 C20H15FN2O2
    4-(2-ethoxyphenyl)-6-(2-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile
    —— 4-methyl hydrogen 2,6-dimethoxyterephthalate 16849-70-0 C11H12O6
    4-methyl hydrogen 2,6-dimethoxyterephthalate
    —— 4-((((4aR,6S,7R,8R,8aR)-7-azido-8-methoxy-2,2-dimethylhexahydropyrano[3,2-d][1,3]dioxin-6-yl)oxy)methylene)morpholin-4-ium trifluoromethanesulfonate 1461641-58-6 CF3O3S*C15H25N4O6
    4-((((4aR,6S,7R,8R,8aR)-7-azido-8-methoxy-2,2-dimethylhexahydropyrano[3,2-d][1,3]dioxin-6-yl)oxy)methylene)morpholin-4-ium trifluoromethanesulfonate
    —— 4-(3-{(E)-3-[3-(2-Dimethylamino-ethylamino)-phenyl]-3-oxo-propenyl}-3',5'-dimethyl-biphenyl-4-yl)-piperazine-1-carboxylic acid tert-butyl ester 850790-30-6 C36H46N4O3
    4-(3-{(E)-3-[3-(2-Dimethylamino-ethylamino)-phenyl]-3-oxo-propenyl}-3',5'-dimethyl-biphenyl-4-yl)-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-(Hydroxyimino)-5-(nitrosooxy)-2-hexenoic acid, (2E,4E)- 68340-22-7 C6H8N2O5
    4-(Hydroxyimino)-5-(nitrosooxy)-2-hexenoic acid, (2E,4E)-
    —— 4-Ethyl-4-hydroxy-12-methyl-12-azadispiro[4.2.58.25]pentadeca-6,14-diene-9,13-dione 1290612-90-6 C17H23NO3
    4-Ethyl-4-hydroxy-12-methyl-12-azadispiro[4.2.58.25]pentadeca-6,14-diene-9,13-dione
    —— 4-(5-Ethyl-4-(2-(2-ethyl-5-phenylthiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopent-1-enyl)thiophen-2-yl)phenol 1221889-01-5 C29H22F6OS2
    4-(5-Ethyl-4-(2-(2-ethyl-5-phenylthiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopent-1-enyl)thiophen-2-yl)phenol
    —— (4R,6S,8R,11S)-8-methyl-4-octyl-11-propan-2-yl-1,5-dioxaspiro[5.5]undecane 115404-94-9 C21H40O2
    (4R,6S,8R,11S)-8-methyl-4-octyl-11-propan-2-yl-1,5-dioxaspiro[5.5]undecane
    —— 4-<1-Phenyl-2-(p-hydroxyphenyl)-5,6-dihydro-4H-pyrrolo<3,2,1-i,j>chinolin-Hydrogensuccinat 54282-98-3 C27H23NO4
    4-<1-Phenyl-2-(p-hydroxyphenyl)-5,6-dihydro-4H-pyrrolo<3,2,1-i,j>chinolin-Hydrogensuccinat
    —— 4-butylamino-1-ethyl-1<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-carboxylic acid 34966-19-3 C13H18N4O2
    4-butylamino-1-ethyl-1<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-carboxylic acid
    —— 4-Amino-2-(2-hydroxyethyl)amino-3-nitropyridin 37805-82-6 C7H10N4O3
    4-Amino-2-(2-hydroxyethyl)amino-3-nitropyridin
    —— 4-[3-chloro-4-[(2,4-difluorophenyl)methoxy]-6-methyl-2-oxopyridin-1-yl]-N-methoxy-N,5-dimethylpyridine-2-carboxamide 1380324-13-9 C22H20ClF2N3O4
    4-[3-chloro-4-[(2,4-difluorophenyl)methoxy]-6-methyl-2-oxopyridin-1-yl]-N-methoxy-N,5-dimethylpyridine-2-carboxamide
    —— 4-azido-2-ethyl-5-iodooxepane 126016-72-6 C8H14IN3O
    4-azido-2-ethyl-5-iodooxepane
    —— 4,4,6-trimethyl-2-((E)-2-phenyl-propenyl)-5,6-dihydro-4H-[1,3]oxazine 50259-45-5 C16H21NO
    4,4,6-trimethyl-2-((E)-2-phenyl-propenyl)-5,6-dihydro-4H-[1,3]oxazine
    —— 4-<3,4-Dimethoxy-benzylidenamino>-phenyl-methyl-sulfid 19859-99-5 C16H17NO2S
    4-<3,4-Dimethoxy-benzylidenamino>-phenyl-methyl-sulfid
    —— 4-methoxy-benzoic acid-[2-(2-chloro-ethylamino)-ethyl ester]; hydrochloride 104509-31-1 C12H16ClNO3*ClH
    4-methoxy-benzoic acid-[2-(2-chloro-ethylamino)-ethyl ester]; hydrochloride
    —— 4,4-dimethyl-1-(methylsulfonyl)-1,2,3,4-tetrahydroquinoline-5-carbonitrile 1204606-44-9 C13H16N2O2S
    4,4-dimethyl-1-(methylsulfonyl)-1,2,3,4-tetrahydroquinoline-5-carbonitrile
    —— 4-[(3-fluoro-3-(endo)-methyl-8-azabicyclo[3.2.1]oct-8-yl)carbonyl]-7-(2-methyl-1H-benzimidazol-6-yl)-2,3,4,5-tetrahydro-1,4-benzoxazepine 1257320-20-9 C26H29FN4O2
    4-[(3-fluoro-3-(endo)-methyl-8-azabicyclo[3.2.1]oct-8-yl)carbonyl]-7-(2-methyl-1H-benzimidazol-6-yl)-2,3,4,5-tetrahydro-1,4-benzoxazepine
    —— 4-anilino-7-methyl-2-(2-nitro-phenyl)-quinoline-3-carboxylic acid 30413-03-7 C23H17N3O4
    4-anilino-7-methyl-2-(2-nitro-phenyl)-quinoline-3-carboxylic acid
    —— (4aR,8aR)-8a-Methyl-1-methylene-decahydro-naphthalene 180912-70-3 C12H20
    (4aR,8aR)-8a-Methyl-1-methylene-decahydro-naphthalene
    —— 4-(Acetylamino)-2-methylchinazolin 94078-79-2 C11H11N3O
    4-(Acetylamino)-2-methylchinazolin
    —— 4-butyl-1-(4-hydroxy-phenyl)-4-(4-methyl-piperazin-1-ylmethyl)-2-phenyl-pyrazolidine-3,5-dione 31118-98-6 C25H32N4O3
    4-butyl-1-(4-hydroxy-phenyl)-4-(4-methyl-piperazin-1-ylmethyl)-2-phenyl-pyrazolidine-3,5-dione
    —— <4-(Methyl-acetyl-amino)-phenylsulfonyl>-methyl-carbamat 91215-01-9 C11H14N2O5S
    <4-(Methyl-acetyl-amino)-phenylsulfonyl>-methyl-carbamat
    —— 4a-morpholino-7(or 8)-t-butyl-1,2,3,4,4a,10a-hexahydrodibenzo-p-dioxin 115840-61-4 C20H29NO3
    4a-morpholino-7(or 8)-t-butyl-1,2,3,4,4a,10a-hexahydrodibenzo-p-dioxin
    —— 4-Octyne-1,3,6,8-tetrol, (R*,S*)- 152329-51-6 C8H14O4
    4-Octyne-1,3,6,8-tetrol, (R*,S*)-
    —— 4-ethynyloxy-1,1-dimethoxybutane 336885-35-9 C8H14O3
    4-ethynyloxy-1,1-dimethoxybutane
    —— 4-Octylphenyl-β-chlorethylether 22787-44-6 C16H25ClO
    4-Octylphenyl-β-chlorethylether
    —— 4,5-dihydroxy-3,6-bis-[4-(4-oxo-4<i>H</i>-quinazolin-3-yl)-phenylazo]-naphthalene-2,7-disulfonic acid 31998-43-3 C38H24N8O10S2
    4,5-dihydroxy-3,6-bis-[4-(4-oxo-4<i>H</i>-quinazolin-3-yl)-phenylazo]-naphthalene-2,7-disulfonic acid
    —— 4-[2-(4-acetoxy-phenyl)-4-butyl-3,5-dioxo-4-propyl-pyrazolidin-1-yl]-benzoic acid ethyl ester 38022-37-6 C27H32N2O6
    4-[2-(4-acetoxy-phenyl)-4-butyl-3,5-dioxo-4-propyl-pyrazolidin-1-yl]-benzoic acid ethyl ester
    —— 4,7-Dipropionoxy-dec-5-in 41590-00-5 C16H26O4
    4,7-Dipropionoxy-dec-5-in
    —— 4-[1-anilino-3-(2-nitro-phenyl)-allylidene]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one 30020-82-7 C25H20N4O3
    4-[1-anilino-3-(2-nitro-phenyl)-allylidene]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— 4-<i>tert</i>-butyl-2-(2-dimethylamino-ethylsulfanyl)-imidazole-1-carboxylic acid dimethylamide 56659-35-9 C14H26N4OS
    4-<i>tert</i>-butyl-2-(2-dimethylamino-ethylsulfanyl)-imidazole-1-carboxylic acid dimethylamide
    —— 4-[[3-[(4-Fluorophenyl)methoxy]phenyl]methylamino]benzoic acid 1067234-71-2 C21H18FNO3
    4-[[3-[(4-Fluorophenyl)methoxy]phenyl]methylamino]benzoic acid
    —— 4-Hydrazino-1,6-naphthyridin 6861-41-2 C8H8N4
    4-Hydrazino-1,6-naphthyridin
    —— 4-methoxyphenyl 3-(4-methoxyphenoxy)-6-methoxy-1-benzo[b]thiophene-2-carboxylate 1133421-21-2 C24H20O6S
    4-methoxyphenyl 3-(4-methoxyphenoxy)-6-methoxy-1-benzo[b]thiophene-2-carboxylate
    —— 4-Oxo-1-[3-oxo-1,4-dioxa-spiro[4.5]dec-(2Z)-ylidenemethyl]-cyclohexa-2,5-dienecarboxylic acid methyl ester 110065-30-0 C17H18O6
    4-Oxo-1-[3-oxo-1,4-dioxa-spiro[4.5]dec-(2Z)-ylidenemethyl]-cyclohexa-2,5-dienecarboxylic acid methyl ester
    —— 4-amino-6-(2-methoxyphenyl)-2-(methylthio)pyrimidine-5-carbonitrile 1404091-84-4 C13H12N4OS
    4-amino-6-(2-methoxyphenyl)-2-(methylthio)pyrimidine-5-carbonitrile
    —— 4-(3,5-diphenyl-4,5-dihydroisoxazol-5-yl)benzonitrile 1443367-57-4 C22H16N2O
    4-(3,5-diphenyl-4,5-dihydroisoxazol-5-yl)benzonitrile