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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4S,5R)-3-((2S,3R)-2-isobutyl-3-hydroxypent-4-enoyl)-4-methyl-5-phenyl-1,3-oxazolidin-2-on 244177-70-6 C19H25NO4
    (4S,5R)-3-((2S,3R)-2-isobutyl-3-hydroxypent-4-enoyl)-4-methyl-5-phenyl-1,3-oxazolidin-2-on
    —— 4α,5-cyclopropano-5α-cholestan-3α-ol 13903-63-4 C28H48O
    4α,5-cyclopropano-5α-cholestan-3α-ol
    —— 4,5-bis(3,5-di-tert-butylsalicylideneimine)benzo-18-crown-6 204321-54-0 C46H66N2O8
    4,5-bis(3,5-di-tert-butylsalicylideneimine)benzo-18-crown-6
    —— 4-CH3-4,5-C2B7H8 26998-73-2 C3H11B7
    4-CH3-4,5-C2B7H8
    —— 4-(2-(tert-butoxy)propyl)-2-methoxyphenol 1446088-04-5 C14H22O3
    4-(2-(tert-butoxy)propyl)-2-methoxyphenol
    —— 4β,5-dichloro-5α-cholestan-3-one 115679-69-1 C27H44Cl2O
    4β,5-dichloro-5α-cholestan-3-one
    —— 4-NH2-1.7-C2B10H11 58405-53-1 C2H13B10N
    4-NH2-1.7-C2B10H11
    —— 4,8-di(tert-butyl)-2,10-dimethyldibenzo<d,g><1,3>dioxocin-6-one 69736-50-1 C24H30O3
    4,8-di(tert-butyl)-2,10-dimethyldibenzo<d,g><1,3>dioxocin-6-one
    —— (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-13-ethoxy-5,6,7,8,14,14b-hexahydro-4,8-methanobenzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol hydrochloride 126580-41-4 C28H30N2O4*ClH
    (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-13-ethoxy-5,6,7,8,14,14b-hexahydro-4,8-methanobenzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol hydrochloride
    —— [4,4'-H2bipy][PdBr4] 315190-26-2 Br4Pd*C10H10N2
    [4,4'-H2bipy][PdBr4]
    —— 4,4,4-trifluoro-3-oxo-2-pyrrolidin-2-ylidenebutanenitrile 314774-69-1 C8H7F3N2O
    4,4,4-trifluoro-3-oxo-2-pyrrolidin-2-ylidenebutanenitrile
    —— 4'-demethyl-4-deoxypodophyllotoxin 4'-(p-nitrophenyl) carbonate 1308813-97-9 C28H23NO11
    4'-demethyl-4-deoxypodophyllotoxin 4'-(p-nitrophenyl) carbonate
    —— 4-{[(E)-5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-ylimino]-methyl}-phenol 145666-22-4 C16H11Cl2N3O2S
    4-{[(E)-5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-ylimino]-methyl}-phenol
    —— 4-(5-acetoxy-4-oxo-7-(tosyloxy)-4H-chromen-3-yl)phenyl acetate 1610737-86-4 C26H20O9S
    4-(5-acetoxy-4-oxo-7-(tosyloxy)-4H-chromen-3-yl)phenyl acetate
    —— 4-(4-(2-azidoethoxy)benzyl)-5-ethoxy-2-methyloxazole 1353566-13-8 C15H18N4O3
    4-(4-(2-azidoethoxy)benzyl)-5-ethoxy-2-methyloxazole
    —— 4,4'-((phthalazine-1,4-diylbis(hydrazin-2-yl-1-ylidene))bis(but-1-en-1-yl-3-ylidene))bis(2-methoxyphenol) 335162-59-9 C30H30N6O4
    4,4'-((phthalazine-1,4-diylbis(hydrazin-2-yl-1-ylidene))bis(but-1-en-1-yl-3-ylidene))bis(2-methoxyphenol)
    —— 4-isopropenyl-1,2-dimethyl-4-(phenylsulfonyl)cyclohexene 114597-05-6 C17H22O2S
    4-isopropenyl-1,2-dimethyl-4-(phenylsulfonyl)cyclohexene
    —— 4-acetylamino-7-(2,3,5-tri-O-acetyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine 629670-26-4 C20H24N4O8
    4-acetylamino-7-(2,3,5-tri-O-acetyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— 4(R)-(benzoyloxy)dodeca-2(E),6(Z)-dienal 119392-37-9 C19H24O3
    4(R)-(benzoyloxy)dodeca-2(E),6(Z)-dienal
    —— 4-[(6-Phenyl-thieno[3,2-d]pyrimidin-4-yl)-hydrazonomethyl]-phenol 209853-33-8 C19H14N4OS
    4-[(6-Phenyl-thieno[3,2-d]pyrimidin-4-yl)-hydrazonomethyl]-phenol
    —— 4-((4aS)-2-hydroxy-6c,8t-dimethyl-(4ar,8ac)-hexahydro-benzo[1,3,2]dioxaborin-4t-ylmethyl)-piperidine-2,6-dione 109504-31-6 C15H24BNO5
    4-((4aS)-2-hydroxy-6c,8t-dimethyl-(4ar,8ac)-hexahydro-benzo[1,3,2]dioxaborin-4t-ylmethyl)-piperidine-2,6-dione
    —— 4α-((Ξ)-1-hydroxy-ethyl)-cholest-5-en-3β-ol 103403-37-8 C29H50O2
    4α-((Ξ)-1-hydroxy-ethyl)-cholest-5-en-3β-ol
    —— 4-tert-butyl-N-[9-[(2R,3R,4R,5R)-3-(1,3-dioxoisoindol-2-yl)oxy-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]benzamide 203866-65-3 C29H28N6O7
    4-tert-butyl-N-[9-[(2R,3R,4R,5R)-3-(1,3-dioxoisoindol-2-yl)oxy-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]benzamide
    —— 4'-pentyl-3',4'-dihydropyrimidino[6',5':2,3]cholest-4-en-2'(1'H)-one 1408324-39-9 C34H56N2O
    4'-pentyl-3',4'-dihydropyrimidino[6',5':2,3]cholest-4-en-2'(1'H)-one
    —— (4aS,11aR,12aS,13S)-8-amino-3,7-bis(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-10,13-bis(dimethylamino)-5-hydroxy-11a,12,12a,13-tetrahydroisoxazolo[5',4':6,7]naphtho[2,3-g]isoquinoline-4,6(4aH,11H)-dione 1254367-80-0 C42H51N5O7Si
    (4aS,11aR,12aS,13S)-8-amino-3,7-bis(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-10,13-bis(dimethylamino)-5-hydroxy-11a,12,12a,13-tetrahydroisoxazolo[5',4':6,7]naphtho[2,3-g]isoquinoline-4,6(4aH,11H)-dione
    —— (4S,5R,6S)-3-hydroxy-2-methyl-4,5,6-tris(phenylmethoxy)cyclohexan-1-one 1187827-99-1 C28H30O5
    (4S,5R,6S)-3-hydroxy-2-methyl-4,5,6-tris(phenylmethoxy)cyclohexan-1-one
    —— 4-isopropyl-2-(2,4,6-trichlorophenyl)oxazol-5(4H)-one 1357176-22-7 C12H10Cl3NO2
    4-isopropyl-2-(2,4,6-trichlorophenyl)oxazol-5(4H)-one
    —— 4-Chlor-3-nitro-phenylsulfonylcyanid 24225-06-7 C7H3ClN2O4S
    4-Chlor-3-nitro-phenylsulfonylcyanid
    —— (4S,5S,6S)-5-(2-((4R,6S)-6-(2-((tert-butyldiphenylsilyl)oxy)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)ethyl)-6-((R)-1-hydroxypent-4-en-1-yl)-4-methylcyclohex-2-en-1-one 116996-33-9 C38H54O5Si
    (4S,5S,6S)-5-(2-((4R,6S)-6-(2-((tert-butyldiphenylsilyl)oxy)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)ethyl)-6-((R)-1-hydroxypent-4-en-1-yl)-4-methylcyclohex-2-en-1-one
    —— 4α,5-epoxy-17-hydroxy-5α,17α-19-norpregn-20-yn-3-one 51267-64-2 C20H26O3
    4α,5-epoxy-17-hydroxy-5α,17α-19-norpregn-20-yn-3-one
    —— 4-chloro-2-(2,6-dichloro-4-iodo-phenyl)-thiazolo[5,4-c]pyridine 1365992-10-4 C12H4Cl3IN2S
    4-chloro-2-(2,6-dichloro-4-iodo-phenyl)-thiazolo[5,4-c]pyridine
    —— 4α,5α-methano-5β-cholestan-3β-ol 89948-69-6 C28H48O
    4α,5α-methano-5β-cholestan-3β-ol
    —— 4-chloro-3-hydroxy-3-phenylbutyric acid methyl ester 6124-74-9 C11H13ClO3
    4-chloro-3-hydroxy-3-phenylbutyric acid methyl ester
    —— 4-(acetyloxy)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 1781-34-6 C12H12N2O3
    4-(acetyloxy)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
    —— 4-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]benzenesulphonyl hydrazide 1321626-20-3 C15H13N3O4S
    4-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]benzenesulphonyl hydrazide
    —— (4aα,8aβ)-5β,8α-bis(benzyloxy)-2β-methyl-3-oxo-1β-<3-(1-ethoxyethoxy)propyl>decahydronaphthalene tosylhydrazone 79782-47-1 C39H52N2O6S
    (4aα,8aβ)-5β,8α-bis(benzyloxy)-2β-methyl-3-oxo-1β-<3-(1-ethoxyethoxy)propyl>decahydronaphthalene tosylhydrazone
    —— 4-Methoxy-2-(2-methylsulfanyl-ethoxy)-benzoic acid 95420-84-1 C11H14O4S
    4-Methoxy-2-(2-methylsulfanyl-ethoxy)-benzoic acid
    —— (4aα,8aβ)-5β,8α-bis(benzyloxy)-2-methylene-3-oxo-1β-[3-(1-ethoxyethoxy)propyl]decahydronaphthalene 79782-45-9 C32H42O5
    (4aα,8aβ)-5β,8α-bis(benzyloxy)-2-methylene-3-oxo-1β-[3-(1-ethoxyethoxy)propyl]decahydronaphthalene
    —— 4-(3-aziridin-1-yl-3,3-difluoro-2,2-bis-trifluoromethyl-propyl)-morpholine 23252-35-9 C11H14F8N2O
    4-(3-aziridin-1-yl-3,3-difluoro-2,2-bis-trifluoromethyl-propyl)-morpholine
    —— (4-hydroxy-3-methoxyphenyl)-naphthalen-1-yl-methanone 1004112-72-4 C18H14O3
    (4-hydroxy-3-methoxyphenyl)-naphthalen-1-yl-methanone
    —— 4-Ethylsulfanyl-7-(trifluoromethyl)quinoline 93516-29-1 C12H10F3NS
    4-Ethylsulfanyl-7-(trifluoromethyl)quinoline
    —— 4-{[1-(2-Hydroxy-5-methyl-3-nitro-phenyl)-1-phenyl-meth-(E)-ylidene]-amino}-N-thiazol-2-yl-benzenesulfonamide 93609-15-5 C23H18N4O5S2
    4-{[1-(2-Hydroxy-5-methyl-3-nitro-phenyl)-1-phenyl-meth-(E)-ylidene]-amino}-N-thiazol-2-yl-benzenesulfonamide
    —— (4S,5R)-5-[(2R)-2-[tert-butyl(dimethyl)silyl]oxy-3-[(4-methoxyphenyl)methoxy]propyl]-4-[2-[tert-butyl(diphenyl)silyl]oxyethyl]-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde 943144-73-8 C41H60O7Si2
    (4S,5R)-5-[(2R)-2-[tert-butyl(dimethyl)silyl]oxy-3-[(4-methoxyphenyl)methoxy]propyl]-4-[2-[tert-butyl(diphenyl)silyl]oxyethyl]-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde
    —— 4-[4-(Dibutylamino)butyl]-2-methoxyphenol 1415746-48-3 C19H33NO2
    4-[4-(Dibutylamino)butyl]-2-methoxyphenol
    —— 4,4,4-Trifluoro-3-oxo-2-(triphenyl-lambda5-phosphanylidene)butanal 99048-83-6 C22H16F3O2P
    4,4,4-Trifluoro-3-oxo-2-(triphenyl-lambda5-phosphanylidene)butanal
    —— 4-(4-azulen-1-ylazophenyl)azoaniline 1346264-55-8 C22H17N5
    4-(4-azulen-1-ylazophenyl)azoaniline
    —— 4,4-dimethyl-estr-5-ene-3β,17β-diol 102981-85-1 C20H32O2
    4,4-dimethyl-estr-5-ene-3β,17β-diol
    —— (4S,2'R)-2-(2'-tert-butyldimethylsilyloxyhept-7'-al-1'-yl)pent-2-en-1,4-olide 720678-50-2 C18H32O4Si
    (4S,2'R)-2-(2'-tert-butyldimethylsilyloxyhept-7'-al-1'-yl)pent-2-en-1,4-olide
    —— [4-(4-{[1-(3-Amino-phenyl)-meth-(Z)-ylidene-hydrazinocarbonylmethyl]-amino}-benzenesulfonyl)-phenylamino]-acetic acid [1-(3-amino-phenyl)-meth-(Z)-ylidene]-hydrazide 114710-13-3 C30H30N8O4S
    [4-(4-{[1-(3-Amino-phenyl)-meth-(Z)-ylidene-hydrazinocarbonylmethyl]-amino}-benzenesulfonyl)-phenylamino]-acetic acid [1-(3-amino-phenyl)-meth-(Z)-ylidene]-hydrazide
    —— 4-chloro-m-caborane 17819-86-2 C2H11B10Cl
    4-chloro-m-caborane