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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5'<i>H</i>-spiro[cyclohexane-1,8'-[1,3]dioxolo[4,5-<i>g</i>]isochromene] 169-10-8 C15H18O3
    5'<i>H</i>-spiro[cyclohexane-1,8'-[1,3]dioxolo[4,5-<i>g</i>]isochromene]
    —— 5-Methyl-naphthalin-dicarbonsaeure-(2,3)-anhydrid 91805-19-5 C13H8O3
    5-Methyl-naphthalin-dicarbonsaeure-(2,3)-anhydrid
    —— 5-[3]quinolylazo-pyrimidine-2,4,6-triyltriamine 105474-90-6 C13H12N8
    5-[3]quinolylazo-pyrimidine-2,4,6-triyltriamine
    —— 5-(Morpholine-4-sulfonyl)thiophene-3-carboxylic acid 1041528-64-6 C9H11NO5S2
    5-(Morpholine-4-sulfonyl)thiophene-3-carboxylic acid
    —— 5,17β-Dimethyl-18,19-binor-5β,10α-cholesta-8,11,13-triene 98820-05-4 C27H42
    5,17β-Dimethyl-18,19-binor-5β,10α-cholesta-8,11,13-triene
    —— (5-nitrobenzofuran-2-yl)(3,4,5-trimethoxyphenyl)methanone 1204741-83-2 C18H15NO7
    (5-nitrobenzofuran-2-yl)(3,4,5-trimethoxyphenyl)methanone
    —— 5-Ethyl-7-methoxy-1-methylspiro[5,5]undec-2-ene 678981-40-3 C15H26O
    5-Ethyl-7-methoxy-1-methylspiro[5,5]undec-2-ene
    —— 5-(2,3-dihydroxy-phenyl)-5-methyl-dihydro-furan-2-one 52830-55-4 C11H12O4
    5-(2,3-dihydroxy-phenyl)-5-methyl-dihydro-furan-2-one
    —— 5-[3-methoxy-2-((2-methoxyethoxy)methoxy)phenyl]-1-[3-methoxy-2-(methoxymethoxy)phenyl]-pent-1-yn-3-ol 900509-75-3 C25H32O8
    5-[3-methoxy-2-((2-methoxyethoxy)methoxy)phenyl]-1-[3-methoxy-2-(methoxymethoxy)phenyl]-pent-1-yn-3-ol
    —— (5-benzyl-2-methyl-3-phenyl-2,3-dihydroisoxazol-4-yl)(phenyl)methanone 1221288-96-5 C24H21NO2
    (5-benzyl-2-methyl-3-phenyl-2,3-dihydroisoxazol-4-yl)(phenyl)methanone
    —— 5-tert-butyl-7-(3,3-difluoro-pyrrolidin-1-yl)-3-(2-methyl-2H-[1,2,4]triazol-3-ylmethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine 1433360-64-5 C16H21F2N9
    5-tert-butyl-7-(3,3-difluoro-pyrrolidin-1-yl)-3-(2-methyl-2H-[1,2,4]triazol-3-ylmethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine
    —— 5-(1,3-dioxo-indan-2-ylmethylene)-3,3'-diethyl-2'-thioxo-dihydro-[2,5']bithiazolylidene-4,4'-dione 3730-35-6 C20H16N2O4S3
    5-(1,3-dioxo-indan-2-ylmethylene)-3,3'-diethyl-2'-thioxo-dihydro-[2,5']bithiazolylidene-4,4'-dione
    —— (5-chloro-2-(1-(methoxyimino)ethyl)phenyl)(m-tolyl)methanone 1510826-91-1 C17H16ClNO2
    (5-chloro-2-(1-(methoxyimino)ethyl)phenyl)(m-tolyl)methanone
    —— 5-chloro-6-methoxynaphthalene-2-sulfonic acid [1-(3-Cyanobenzyl)-2-oxo-pyrrolidin-3-(S)-yl]-amide 186550-39-0 C23H20ClN3O4S
    5-chloro-6-methoxynaphthalene-2-sulfonic acid [1-(3-Cyanobenzyl)-2-oxo-pyrrolidin-3-(S)-yl]-amide
    —— 5(4-ethynylphenyl)-10,15,20-tri(p-tolyl)zinc(II)porphyrin 1055273-70-5 C49H34N4Zn
    5(4-ethynylphenyl)-10,15,20-tri(p-tolyl)zinc(II)porphyrin
    —— 5-Hydroxy-5-methyl-2,3,5,6,7,8-hexahydro-1H-phenanthren-4-one oxime 31700-56-8 C15H19NO2
    5-Hydroxy-5-methyl-2,3,5,6,7,8-hexahydro-1H-phenanthren-4-one oxime
    —— 5-Methyl-3-oxo-2-phenyl-hex-4-enoic acid ethyl ester 104210-62-0 C15H18O3
    5-Methyl-3-oxo-2-phenyl-hex-4-enoic acid ethyl ester
    —— 5,14,19-trihydroxy-3,11-dioxo-5β,14β-androst-1-ene-17β-carboxylic acid methyl ester 102571-76-6 C21H28O7
    5,14,19-trihydroxy-3,11-dioxo-5β,14β-androst-1-ene-17β-carboxylic acid methyl ester
    —— 5-<bis(trimethylsilyl)amino>-N-tert-butyl-3,4-dipropyl-1H-pyrrole-2-carbonitrile 132699-61-7 C21H41N3Si2
    5-<bis(trimethylsilyl)amino>-N-tert-butyl-3,4-dipropyl-1H-pyrrole-2-carbonitrile
    —— 5-(4-butylbenzyl)-3-(4-butylphenyl)-1H-pyrazole 1422144-28-2 C24H30N2
    5-(4-butylbenzyl)-3-(4-butylphenyl)-1H-pyrazole
    —— 5-(4-((5-cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methoxy)azepan-1-yl)-1-methyl-1H-indole-2-carboxylic acid 1103501-21-8 C29H29Cl2N3O4
    5-(4-((5-cyclopropyl-3-(2,6-dichlorophenyl)isoxazol-4-yl)methoxy)azepan-1-yl)-1-methyl-1H-indole-2-carboxylic acid
    —— 5-Brom-2-methyl-3,4-dinitro-thiophen 89167-23-7 C5H3BrN2O4S
    5-Brom-2-methyl-3,4-dinitro-thiophen
    —— 5-[1-(4,5-Dihydro-1H-imidazol-2-yl)-ethoxy]-isoquinoline 124317-46-0 C14H15N3O
    5-[1-(4,5-Dihydro-1H-imidazol-2-yl)-ethoxy]-isoquinoline
    —— 5-(4-methoxybenzyl)-7,8-dihydro[1,3]dioxolo[4,5-g]isoquinoline 802591-58-8 C18H17NO3
    5-(4-methoxybenzyl)-7,8-dihydro[1,3]dioxolo[4,5-g]isoquinoline
    —— 5-fluoro-4-isopropoxy-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester 65906-73-2 C10H15FN2O5
    5-fluoro-4-isopropoxy-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester
    —— 5α,6β-Dichlor-3β,17α-dihydroxy-16β-methyl-allopregnanon-(20) 1923-58-6 C22H34Cl2O3
    5α,6β-Dichlor-3β,17α-dihydroxy-16β-methyl-allopregnanon-(20)
    —— 5-[3-(2-Diethylamino-ethylamino)-5-phenyl-1H-pyrazol-4-yl]-1,3-dimethyl-1,3-dihydro-benzoimidazol-2-one 459212-90-9 C24H30N6O
    5-[3-(2-Diethylamino-ethylamino)-5-phenyl-1H-pyrazol-4-yl]-1,3-dimethyl-1,3-dihydro-benzoimidazol-2-one
    —— 5-(1,1-Dimethyl-prop-2-ynyloxy)-7-(2-methoxy-ethoxymethoxy)-2,2-dimethyl-2H-chromene 618068-12-5 C20H26O5
    5-(1,1-Dimethyl-prop-2-ynyloxy)-7-(2-methoxy-ethoxymethoxy)-2,2-dimethyl-2H-chromene
    —— 5-[(E)-2-(2,3-Dimethoxy-phenyl)-vinyl]-6-ethyl-7-oxo-1,7b-dihydro-7H-4,7a-diaza-cyclopropa[a]naphthalene-1a-carboxylic acid methyl ester 87666-11-3 C23H24N2O5
    5-[(E)-2-(2,3-Dimethoxy-phenyl)-vinyl]-6-ethyl-7-oxo-1,7b-dihydro-7H-4,7a-diaza-cyclopropa[a]naphthalene-1a-carboxylic acid methyl ester
    —— 5-(4-Chloro-phenyl)-6-phenyl-4,5-dihydro-2H-pyridazin-3-one 433330-78-0 C16H13ClN2O
    5-(4-Chloro-phenyl)-6-phenyl-4,5-dihydro-2H-pyridazin-3-one
    —— 5-Bromo-4-chloro-2-(1-methylcyclopropyl)pyrimidine 1513097-54-5 C8H8BrClN2
    5-Bromo-4-chloro-2-(1-methylcyclopropyl)pyrimidine
    —— 5,6-dihydro-5-benzyloxycarbonylaminoacetyl-4-ethoxycarbonyl-4H-pyrrolo<1,2-a><1,4>benzodiazepine 122485-07-8 C25H25N3O5
    5,6-dihydro-5-benzyloxycarbonylaminoacetyl-4-ethoxycarbonyl-4H-pyrrolo<1,2-a><1,4>benzodiazepine
    —— [5R-(5α,6β,6aα)]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-4,5,6,6a-tetrahydro-5-[(tetrahydro-2H-pyran-2-yl)oxy]-2(1H)-pentalenone 81845-46-7 C20H34O4Si
    [5R-(5α,6β,6aα)]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-4,5,6,6a-tetrahydro-5-[(tetrahydro-2H-pyran-2-yl)oxy]-2(1H)-pentalenone
    —— 5'-monomethoxytritylthymidyl(3'-5')-3'-monomethoxytritylthymidyl-O-methyl O,O-phosphorothioate 84719-01-7 C61H61N4O13PS
    5'-monomethoxytritylthymidyl(3'-5')-3'-monomethoxytritylthymidyl-O-methyl O,O-phosphorothioate
    —— 5-(benzylthio)-1,2,3,4,5-pentamethylcyclopentadiene 125198-15-4 C17H22S
    5-(benzylthio)-1,2,3,4,5-pentamethylcyclopentadiene
    —— 5-amino-6-[3,5-(bis-trifluoromethyl)phenyl]-2,3-dihydro-3-imino-2-methyl-1,2,4-triazine methanesulfonate 1174186-15-2 CH4O3S*C12H9F6N5
    5-amino-6-[3,5-(bis-trifluoromethyl)phenyl]-2,3-dihydro-3-imino-2-methyl-1,2,4-triazine methanesulfonate
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(3,4-dimethoxyphenyl)-2-isopropylvaleronitrile hydrochloride 130374-93-5 C36H40N2O2*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(3,4-dimethoxyphenyl)-2-isopropylvaleronitrile hydrochloride
    —— 5-(carboethoxy)-2-(carbo-t-butyloxy)-2,4,5,6-tetrahydro-cyclopenta[c]pyrrole 160502-20-5 C15H21NO4
    5-(carboethoxy)-2-(carbo-t-butyloxy)-2,4,5,6-tetrahydro-cyclopenta[c]pyrrole
    —— 5-(2-Butyl-5-chloro-4-hydroxymethyl-imidazol-1-ylmethyl)-naphthalene-2-carbonitrile 135943-06-5 C20H20ClN3O
    5-(2-Butyl-5-chloro-4-hydroxymethyl-imidazol-1-ylmethyl)-naphthalene-2-carbonitrile
    —— 5-(4-Methoxy-phenyl)-1,4,6,7,7-pentamethyl-bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid diamide 436084-20-7 C21H26N2O3
    5-(4-Methoxy-phenyl)-1,4,6,7,7-pentamethyl-bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid diamide
    —— 5,5'''-diferrocenyl-3,3''-dihexyl-3'''-methoxy-2,2':5',2'':5'',2'''-quaterthiophene 1289636-82-3 C49H52Fe2OS4
    5,5'''-diferrocenyl-3,3''-dihexyl-3'''-methoxy-2,2':5',2'':5'',2'''-quaterthiophene
    —— 5-[2-(dimethylamino)-4-pyridyl]-4-(2-furyl)-6-(2-pyridyl)-2-pyrimidinamine 518353-91-8 C20H18N6O
    5-[2-(dimethylamino)-4-pyridyl]-4-(2-furyl)-6-(2-pyridyl)-2-pyrimidinamine
    —— 5-((4-Hydroxybenzo[b]thiophen-7-yl)methyl)thiazolidine-2,4-dione 213455-13-1 C12H9NO3S2
    5-((4-Hydroxybenzo[b]thiophen-7-yl)methyl)thiazolidine-2,4-dione
    —— 5-O-(2'',3'',4''-tri-O-acetyl-6''-deoxy-β-D-glucopyranosyl)-1,3,2',6'-tetraazido-6,3',4'-tri-O-benzyl neamine 485810-21-7 C45H52N12O13
    5-O-(2'',3'',4''-tri-O-acetyl-6''-deoxy-β-D-glucopyranosyl)-1,3,2',6'-tetraazido-6,3',4'-tri-O-benzyl neamine
    —— (5Z,7E,22E)-(1S,3R,24R)-25-(1-oxodecyl)-26,27-cyclo-24a,24b-dihomo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 223112-20-7 C39H62O4
    (5Z,7E,22E)-(1S,3R,24R)-25-(1-oxodecyl)-26,27-cyclo-24a,24b-dihomo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-(2-bromo-ethoxy)-7-chloro-1-methyl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 62903-54-2 C12H12BrClN2O2
    5-(2-bromo-ethoxy)-7-chloro-1-methyl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 5,5-Dimethyl-5,6,7,8,9,10-hexahydro-anthracene-1,4-diol 874584-21-1 C16H20O2
    5,5-Dimethyl-5,6,7,8,9,10-hexahydro-anthracene-1,4-diol
    —— 5-Difluoromethyl-pyridin-2-ylamine hydrochloride 1965308-98-8 C6H7ClF2N2
    5-Difluoromethyl-pyridin-2-ylamine hydrochloride
    —— 5-Ethoxy-4,5-trimethylen-1-(4-nitrophenyl)-Δ<sup>2</sup>-triazolin 1453-80-1 C13H16N4O3
    5-Ethoxy-4,5-trimethylen-1-(4-nitrophenyl)-Δ<sup>2</sup>-triazolin
    —— 5,6,7,8,9,10-Hexahydro-dibenzo[a,j]heptalene 18511-33-6 C20H20
    5,6,7,8,9,10-Hexahydro-dibenzo[a,j]heptalene