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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-di-O-acetyl-3,6-di-O-benzyl-1,2-bis-O-(3-oxo-1,5-dihydro-3λ<sup>5</sup>-2,4,3-benzodioxaphosphepin-3-yl)-D-myo-inositol 864372-77-0 C40H42O14P2
    4,5-di-O-acetyl-3,6-di-O-benzyl-1,2-bis-O-(3-oxo-1,5-dihydro-3λ<sup>5</sup>-2,4,3-benzodioxaphosphepin-3-yl)-D-myo-inositol
    —— 4'-Cyclopentylidenemethylbiphenyl-2-sulfonylcyanamide 221288-98-8 C19H18N2O2S
    4'-Cyclopentylidenemethylbiphenyl-2-sulfonylcyanamide
    —— 4-(3-hydroxy-2-propyl-17-oxo-estra-1,3,5(10)-trien-15β-yl)-butyric acid 915967-37-2 C25H34O4
    4-(3-hydroxy-2-propyl-17-oxo-estra-1,3,5(10)-trien-15β-yl)-butyric acid
    —— (((4-ethynylbenzyl)oxy)carbonyl)-L-tyrosine 1355358-70-1 C19H17NO5
    (((4-ethynylbenzyl)oxy)carbonyl)-L-tyrosine
    —— (4R,6R)-4-((S)-1-(3,4-dimethoxybenzyloxy)propan-2-yl)-6-((1E,3E)-4-iodobuta-1,3-dienyl)-2,2-dimethyl-1,3-dioxane 1256633-73-4 C22H31IO5
    (4R,6R)-4-((S)-1-(3,4-dimethoxybenzyloxy)propan-2-yl)-6-((1E,3E)-4-iodobuta-1,3-dienyl)-2,2-dimethyl-1,3-dioxane
    —— 4-ethyl-benzoic acid-[<i>N</i>'-(4-nitro-phenyl)-hydrazide] 150400-18-3 C15H15N3O3
    4-ethyl-benzoic acid-[<i>N</i>'-(4-nitro-phenyl)-hydrazide]
    —— 4-(3-Methylphenyl)-3-[2-[4-(3-methylphenyl)-5-prop-2-enylsulfanyl-1,2,4-triazol-3-yl]ethyl]-5-prop-2-enylsulfanyl-1,2,4-triazole 124946-05-0 C26H28N6S2
    4-(3-Methylphenyl)-3-[2-[4-(3-methylphenyl)-5-prop-2-enylsulfanyl-1,2,4-triazol-3-yl]ethyl]-5-prop-2-enylsulfanyl-1,2,4-triazole
    —— 4-[<i>N</i>'-(2-hydroxy-ethyl)-<i>N</i>'-methyl-hydrazino]-1<i>H</i>-quinazolin-2-one 54608-66-1 C11H14N4O2
    4-[<i>N</i>'-(2-hydroxy-ethyl)-<i>N</i>'-methyl-hydrazino]-1<i>H</i>-quinazolin-2-one
    —— 4-Chlor-5-methyl-2-trifluormethyl-benzo<h>-1,6-naphthyridin 1700-99-8 C14H8ClF3N2
    4-Chlor-5-methyl-2-trifluormethyl-benzo<h>-1,6-naphthyridin
    —— 4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)methylene]- 71195-65-8 C22H21NO2
    4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)methylene]-
    —— 4-N,N-dimethylaminomethyleneimino-6-methyl-7(8H)-pteridone 1201639-42-0 C10H12N6O
    4-N,N-dimethylaminomethyleneimino-6-methyl-7(8H)-pteridone
    —— 4(S)-<3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl>-2-hydroxymethyltetrahydro-2-furanmethanol 161451-33-8 C10H14N2O5
    4(S)-<3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl>-2-hydroxymethyltetrahydro-2-furanmethanol
    —— 4-[(3-chloro-4-fluorophenyl)amino]-6-[4-(3-carboxypropylamino)cyclohexylamino]pyrimido[5,4-d]pyrimidine 1230872-56-6 C22H25ClFN7O2
    4-[(3-chloro-4-fluorophenyl)amino]-6-[4-(3-carboxypropylamino)cyclohexylamino]pyrimido[5,4-d]pyrimidine
    —— 4-{3-[2-(3,4-dimethoxy-phenyl)-acetylamino]-propyl}-3,6-dihydro-2<i>H</i>-pyridine-1-carboxylic acid methyl ester 35296-17-4 C20H28N2O5
    4-{3-[2-(3,4-dimethoxy-phenyl)-acetylamino]-propyl}-3,6-dihydro-2<i>H</i>-pyridine-1-carboxylic acid methyl ester
    —— 4-Dimethylamino-7-oxo-8-(2.3.4.6-tetraacetyl-β-D-glucopyranosyl)-7.8-dihydro-pteridin 104624-73-9 C22H27N5O10
    4-Dimethylamino-7-oxo-8-(2.3.4.6-tetraacetyl-β-D-glucopyranosyl)-7.8-dihydro-pteridin
    —— 4-(2-acetylamino-5-methoxy-phenyl)-3-amino-5<i>H</i>-furan-2-one 24188-12-3 C13H14N2O4
    4-(2-acetylamino-5-methoxy-phenyl)-3-amino-5<i>H</i>-furan-2-one
    —— 4-tert-Butyl-4-methoxy-1,1-bis-trimethylsilanyl-1,4-dihydro-siline 110213-92-8 C16H34OSi3
    4-tert-Butyl-4-methoxy-1,1-bis-trimethylsilanyl-1,4-dihydro-siline
    —— 4-[(4-Piperidin-4-yloxypiperidin-1-yl)methyl]pyridin-2-amine 1138448-19-7 C16H26N4O
    4-[(4-Piperidin-4-yloxypiperidin-1-yl)methyl]pyridin-2-amine
    —— 4-acetylamino-<i>N</i>-(4-acetylamino-benzenesulfonyl)-<i>N</i>-(2-oxo-1(3),2-dihydro-pyrimidin-4-yl)-benzenesulfonamide 37063-63-1 C20H19N5O7S2
    4-acetylamino-<i>N</i>-(4-acetylamino-benzenesulfonyl)-<i>N</i>-(2-oxo-1(3),2-dihydro-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-(6-Oxo-6H-phenanthridin-5-yl)-butyramide 37046-41-6 C17H16N2O2
    4-(6-Oxo-6H-phenanthridin-5-yl)-butyramide
    —— 4-(2'-Nitrobenzyloxy)-2H-phthalazin-1-on 40338-08-7 C15H11N3O4
    4-(2'-Nitrobenzyloxy)-2H-phthalazin-1-on
    —— 4,7-Dimethyl-5-amino-2(1H)-chinolon 35246-97-0 C11H12N2O
    4,7-Dimethyl-5-amino-2(1H)-chinolon
    —— 4-[3-[6-(3-benzo[1,3]dioxol-5-yl-5-propionyl-phenoxy)-hexyl]-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester 1246206-81-4 C39H48O9
    4-[3-[6-(3-benzo[1,3]dioxol-5-yl-5-propionyl-phenoxy)-hexyl]-2-(2-ethoxycarbonyl-ethyl)-phenoxy]-butyric acid ethyl ester
    —— 4-Chloro-3-methoxycarbonylmethoxy-thiophene-2-carboxylic acid methyl ester 96232-64-3 C9H9ClO5S
    4-Chloro-3-methoxycarbonylmethoxy-thiophene-2-carboxylic acid methyl ester
    —— [4-(4-methoxy-phenyl)-4,5-dihydro-1<i>H</i>-pyrazol-3-yl]-pyridin-4-yl-methanone 18336-33-9 C16H15N3O2
    [4-(4-methoxy-phenyl)-4,5-dihydro-1<i>H</i>-pyrazol-3-yl]-pyridin-4-yl-methanone
    —— 4-Oxo-3,4-dihydro-2H,5H-thiopyrano<3-2-c><1>benzothiopyran 92594-20-2 C12H10OS2
    4-Oxo-3,4-dihydro-2H,5H-thiopyrano<3-2-c><1>benzothiopyran
    —— [4-(2-{[4-(chloromethyl)phenyl]carbonylamino}-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-methylcarboxamide 611225-83-3 C23H20ClN5O3
    [4-(2-{[4-(chloromethyl)phenyl]carbonylamino}-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-methylcarboxamide
    —— 4-(2-bromo-1-<i>tert</i>-butyl-vinyl)-morpholine 76906-48-4 C10H18BrNO
    4-(2-bromo-1-<i>tert</i>-butyl-vinyl)-morpholine
    —— 4-Phthalylglycylaminobutyramid 10314-04-2 C14H15N3O4
    4-Phthalylglycylaminobutyramid
    —— 4-(tert-Butoxycarbonylamino-methyl)-cyclohexanecarboxylic acid 1-acetoxy-ethyl ester 87589-29-5 C17H29NO6
    4-(tert-Butoxycarbonylamino-methyl)-cyclohexanecarboxylic acid 1-acetoxy-ethyl ester
    —— 4,4'-((1H-indol-3-yl)methanediyl)bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) 1336986-31-2 C29H25N5O2
    4,4'-((1H-indol-3-yl)methanediyl)bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)
    —— 4-[3-chloro-4-(3-fluorobenzyloxy)phenylamino]-7-methoxy-6-(3-chloropropoxy)quinazoline 1259017-73-6 C25H22Cl2FN3O3
    4-[3-chloro-4-(3-fluorobenzyloxy)phenylamino]-7-methoxy-6-(3-chloropropoxy)quinazoline
    —— 4-chloro-1-(2-phenylethyl)-1H-pyrazolo[3,4-d]pyrimidine 1338789-08-4 C13H11ClN4
    4-chloro-1-(2-phenylethyl)-1H-pyrazolo[3,4-d]pyrimidine
    —— 4-(7-methyl-3-phenyl-3,3a,4,5,6,7-hexahydro-2H-indazol-2-yl)-N-(5-oxo-3-phenyl-1,3-thiazinan-2-ylidene)benzenesulfonamide 1427056-34-5 C30H30N4O3S2
    4-(7-methyl-3-phenyl-3,3a,4,5,6,7-hexahydro-2H-indazol-2-yl)-N-(5-oxo-3-phenyl-1,3-thiazinan-2-ylidene)benzenesulfonamide
    —— 4,4',4''-Nitrilotris(α,α-diphenylbenzylalkohol) 22815-67-4 C57H45NO3
    4,4',4''-Nitrilotris(α,α-diphenylbenzylalkohol)
    —— 4-((1R,2S)-2-Mercapto-3,3-dimethyl-2-phenyl-cyclopropyl)-benzonitrile 76963-13-8 C18H17NS
    4-((1R,2S)-2-Mercapto-3,3-dimethyl-2-phenyl-cyclopropyl)-benzonitrile
    —— 4-amino-2-cyclopropyl-6-methoxycarbonyl-5-methylpyrimidine 1240312-10-0 C10H13N3O2
    4-amino-2-cyclopropyl-6-methoxycarbonyl-5-methylpyrimidine
    —— 4-methyl-3-[3-(1-naphthylmethyl)-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl]pentanoic acid 1090891-24-9 C24H24N2O3
    4-methyl-3-[3-(1-naphthylmethyl)-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl]pentanoic acid
    —— (4-Fluorooxan-4-yl)-bis(4-fluorophenyl)methanol 1257268-74-8 C18H17F3O2
    (4-Fluorooxan-4-yl)-bis(4-fluorophenyl)methanol
    —— 4-methoxybenzoyl N-phenylcarbamoyl selenide 356771-88-5 C15H13NO3Se
    4-methoxybenzoyl N-phenylcarbamoyl selenide
    —— 4-[3-Cyano-4-(3-phenoxyphenyl)pyrrol-1-yl]-2-hydroxybenzoic acid 1072202-24-4 C24H16N2O4
    4-[3-Cyano-4-(3-phenoxyphenyl)pyrrol-1-yl]-2-hydroxybenzoic acid
    —— 4-Butyl-1,2-dimethyl-1,2,3,6-tetrahydro-pyridine 28973-22-0 C11H21N
    4-Butyl-1,2-dimethyl-1,2,3,6-tetrahydro-pyridine
    —— 4-(4-cyanophenyl)-1-[3-(difluoromethyl)phenyl]-N-methyl-2,5-dioxo-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide 1621272-62-5 C23H18F2N4O3
    4-(4-cyanophenyl)-1-[3-(difluoromethyl)phenyl]-N-methyl-2,5-dioxo-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide
    —— (4-Chloro-6-methylpyrimidin-2-yl)(phenyl)methanone 155991-30-3 C12H9ClN2O
    (4-Chloro-6-methylpyrimidin-2-yl)(phenyl)methanone
    —— (4-{Chlorocarbonyl-[(E)-methoxyimino]-methyl}-thiazol-2-yl)-carbamic acid 4-nitro-benzyl ester 85227-95-8 C14H11ClN4O6S
    (4-{Chlorocarbonyl-[(E)-methoxyimino]-methyl}-thiazol-2-yl)-carbamic acid 4-nitro-benzyl ester
    —— 4-(hydroxymethyl)-3-methylbenzaldehyde 1423070-28-3 C9H10O2
    4-(hydroxymethyl)-3-methylbenzaldehyde
    —— 4-[(6-nitro-1H-benzimidazol-2-yl)methylamino]-N-(2-phenylpyrazol-3-yl)benzenesulfonamide 107090-26-6 C23H19N7O4S
    4-[(6-nitro-1H-benzimidazol-2-yl)methylamino]-N-(2-phenylpyrazol-3-yl)benzenesulfonamide
    —— 4-[[1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)-ethoxy]methyl]-2-phenylthiazole, hydrochloride 77470-57-6 C21H17Cl2N3OS*ClH
    4-[[1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)-ethoxy]methyl]-2-phenylthiazole, hydrochloride
    —— 4,6-bis(4-bromophenyl)-2,2'-bipyridine 1059707-04-8 C22H14Br2N2
    4,6-bis(4-bromophenyl)-2,2'-bipyridine
    —— 4-hydroxypinalic-3-acid 601519-77-1 C9H14O4
    4-hydroxypinalic-3-acid