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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5α-Hydroxy-pregn-2-en-20-one 27948-83-0 C21H32O2
    5α-Hydroxy-pregn-2-en-20-one
    —— 5,7-difluoro-2-phenyl-3-(trifluoromethyl)benzofuran 1565868-56-5 C15H7F5O
    5,7-difluoro-2-phenyl-3-(trifluoromethyl)benzofuran
    —— 5ξ-methoxy-(2a<i>r</i>,7a<i>c</i>,7b<i>c</i>)-hexahydro-1-thia-3,4a-diaza-cyclopenta[<i>cd</i>]inden-4-one 60184-14-7 C9H14N2O2S
    5ξ-methoxy-(2a<i>r</i>,7a<i>c</i>,7b<i>c</i>)-hexahydro-1-thia-3,4a-diaza-cyclopenta[<i>cd</i>]inden-4-one
    —— 5-[4-(benzyloxy)benzylidene]-2-(dimethylamino)-3,5-dihydro-4H-imidazol-4-one 1476039-73-2 C19H19N3O2
    5-[4-(benzyloxy)benzylidene]-2-(dimethylamino)-3,5-dihydro-4H-imidazol-4-one
    —— 5-benzyloxycarbonylamino-1-pentyl (2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-(1→3)-[2,3,4-tri-O-acetyl-α-L-fucopyranosyl-(1→2)]-(4,6-di-O-acetyl-β-D-galactopyranosyl)-(1→4)-3,6-di-O-acetyl-2-deoxy-2-phthalimide-β-D-glucopyranoside 1603850-77-6 C67H85N3O33
    5-benzyloxycarbonylamino-1-pentyl (2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-(1→3)-[2,3,4-tri-O-acetyl-α-L-fucopyranosyl-(1→2)]-(4,6-di-O-acetyl-β-D-galactopyranosyl)-(1→4)-3,6-di-O-acetyl-2-deoxy-2-phthalimide-β-D-glucopyranoside
    —— 5-(2,8-difluoro-10,11-dihydrodibenzo[a,d]cyclohepten-5-ylidenemethyl)-1-(2-morpholin-4-ylethyl)-1,3-dihydrobenzoimidazol-2-one 710344-04-0 C29H27F2N3O2
    5-(2,8-difluoro-10,11-dihydrodibenzo[a,d]cyclohepten-5-ylidenemethyl)-1-(2-morpholin-4-ylethyl)-1,3-dihydrobenzoimidazol-2-one
    —— 5-(benzyloxy)-1-((benzyloxy)methyl)-1-((2'-tetrahydropyranyloxy)methyl)-N-tosyl-1,2-dihydro-3H-benz<e>indole 144318-44-5 C40H41NO6S
    5-(benzyloxy)-1-((benzyloxy)methyl)-1-((2'-tetrahydropyranyloxy)methyl)-N-tosyl-1,2-dihydro-3H-benz<e>indole
    —— 5-Methyl-2-naphthalen-1-yl-4-(naphthalen-1-ylazo)-2,4-dihydro-pyrazol-3-one 79326-52-6 C24H18N4O
    5-Methyl-2-naphthalen-1-yl-4-(naphthalen-1-ylazo)-2,4-dihydro-pyrazol-3-one
    —— 5,5,6,6,7,7,8,8,8-Nonafluoro-octan-4-ol 138950-19-3 C8H9F9O
    5,5,6,6,7,7,8,8,8-Nonafluoro-octan-4-ol
    —— 5-[5-Adamantan-1-yl-4-(2-methoxyethoxymethoxy)-2-methylphenylselenyl]-3-methylpent-2-en-4-ynoic acid 245505-75-3 C27H34O5Se
    5-[5-Adamantan-1-yl-4-(2-methoxyethoxymethoxy)-2-methylphenylselenyl]-3-methylpent-2-en-4-ynoic acid
    —— 5-[(4-ethynyl-4-fluoropiperidin-1-yl)methyl]-8-[(1S,2S)-2-hydroxycyclohexyl]-8,9-dihydro-7H-pyrrolo[3,4-h]quinolin-7-one 1414367-03-5 C25H28FN3O2
    5-[(4-ethynyl-4-fluoropiperidin-1-yl)methyl]-8-[(1S,2S)-2-hydroxycyclohexyl]-8,9-dihydro-7H-pyrrolo[3,4-h]quinolin-7-one
    —— 5-Deoxy-4a(R)-hydroxy-4a-carba-α-D-lyxo-hexofuranose 261725-29-5 C7H14O5
    5-Deoxy-4a(R)-hydroxy-4a-carba-α-D-lyxo-hexofuranose
    —— 5-(2-Phenyl-[1,3]dioxolan-4-ylmethyl)-benzo[1,3]dioxole 70175-77-8 C17H16O4
    5-(2-Phenyl-[1,3]dioxolan-4-ylmethyl)-benzo[1,3]dioxole
    —— 5,7,5',7'-tetrachloro-8,8'-disulfanediyl-bis-quinoline 31537-74-3 C18H8Cl4N2S2
    5,7,5',7'-tetrachloro-8,8'-disulfanediyl-bis-quinoline
    —— 5-(triethoxysilyl)methyl-6(E)-dodecene 872555-31-2 C19H40O3Si
    5-(triethoxysilyl)methyl-6(E)-dodecene
    —— 5-[1-(2-chloro-phenyl)-vinyl]-1,2,3,4-tetrahydro-naphthalene 858198-73-9 C18H17Cl
    5-[1-(2-chloro-phenyl)-vinyl]-1,2,3,4-tetrahydro-naphthalene
    —— 5,5'-bis-acetylamino-1,1'-hexanediyl-bis-quinolinium; diiodide 122701-85-3 C28H32N4O2*2I
    5,5'-bis-acetylamino-1,1'-hexanediyl-bis-quinolinium; diiodide
    —— 5-amino-4-cyano-N-(cyclohexylcarbamoyl)-3-phenyl-2,3-dihydrothiophene-2-carboxamide 1289410-99-6 C19H22N4O2S
    5-amino-4-cyano-N-(cyclohexylcarbamoyl)-3-phenyl-2,3-dihydrothiophene-2-carboxamide
    —— 5,7-Dimethyl-2-oxo-2,3-dihydro-2λ<sup>4</sup>-benzo[e][1,2]oxathiin-4-one 35676-44-9 C10H10O3S
    5,7-Dimethyl-2-oxo-2,3-dihydro-2λ<sup>4</sup>-benzo[e][1,2]oxathiin-4-one
    —— 5-(butane-1-sulfonyl)-2-(1-isopropyl-piperidin-4-yloxy)-4,5,6,7-tetrahydro-thieno[3,2-c]pyridine 1031783-14-8 C19H32N2O3S2
    5-(butane-1-sulfonyl)-2-(1-isopropyl-piperidin-4-yloxy)-4,5,6,7-tetrahydro-thieno[3,2-c]pyridine
    —— 5-[(1R)-5-(7-methoxyquinolin-4-yl)oxy-2,3-dihydro-1H-inden-1-yl]-1,3-thiazolidine-2,4-dione 1021934-86-0 C22H18N2O4S
    5-[(1R)-5-(7-methoxyquinolin-4-yl)oxy-2,3-dihydro-1H-inden-1-yl]-1,3-thiazolidine-2,4-dione
    —— 5-amino-N-(2-((ethyl)(2-trifluoromethylphenylcarbonyl)aminomethyl)-3,3,3-trifluoro-2-hydroxypropyl)-1-phenyl-1H-pyrazole-4-carboxamide 1034141-94-0 C24H23F6N5O3
    5-amino-N-(2-((ethyl)(2-trifluoromethylphenylcarbonyl)aminomethyl)-3,3,3-trifluoro-2-hydroxypropyl)-1-phenyl-1H-pyrazole-4-carboxamide
    —— 5-{[(cyclopropylmethyl)amino]sulfonyl}-N-[5-(2,5-dimethyl-3-furanyl)-1,3,4-thiadiazol-2-yl]-2-fluorobenzamide 1032463-54-9 C19H19FN4O4S2
    5-{[(cyclopropylmethyl)amino]sulfonyl}-N-[5-(2,5-dimethyl-3-furanyl)-1,3,4-thiadiazol-2-yl]-2-fluorobenzamide
    —— {5-chloro-2-[2-methyl-2-(3-nitro-phenoxy)-propionylamino]-thiazol-4-yl}-acetic acid 1052720-36-1 C15H14ClN3O6S
    {5-chloro-2-[2-methyl-2-(3-nitro-phenoxy)-propionylamino]-thiazol-4-yl}-acetic acid
    —— 5-chloro-2-(2-((4aS,5R)-1-(4-fluorophenyl)-5-hydroxy-4a-methyl-1,4,4a,5,6,7-hexahydrocyclopenta[f]indazol-5-yl)ethyl)benzamide 1021539-11-6 C26H25ClFN3O2
    5-chloro-2-(2-((4aS,5R)-1-(4-fluorophenyl)-5-hydroxy-4a-methyl-1,4,4a,5,6,7-hexahydrocyclopenta[f]indazol-5-yl)ethyl)benzamide
    —— 5-[(3-ethyl-3<i>H</i>-benzoxazol-2-yliden)-ethylidene]-3-[3]quinolyl-1-[2]pyridyl-2-thioxo-imidazolidin-4-one 122119-75-9 C28H21N5O2S
    5-[(3-ethyl-3<i>H</i>-benzoxazol-2-yliden)-ethylidene]-3-[3]quinolyl-1-[2]pyridyl-2-thioxo-imidazolidin-4-one
    —— (5S<sup>*</sup>,8S<sup>*</sup>,9S<sup>*</sup>,12R<sup>*</sup>,13R<sup>*</sup>,14R<sup>*</sup>)-13-acetoxy-9-hydroxydolasta-1,3-diene 135650-26-9 C22H34O3
    (5S<sup>*</sup>,8S<sup>*</sup>,9S<sup>*</sup>,12R<sup>*</sup>,13R<sup>*</sup>,14R<sup>*</sup>)-13-acetoxy-9-hydroxydolasta-1,3-diene
    —— 5-Azido-pentanoic acid anthracen-2-ylamide 595607-38-8 C19H18N4O
    5-Azido-pentanoic acid anthracen-2-ylamide
    —— 5-Phenylsulfonyl-1,2,3,4,7,7-hexachlor-2-norbornen 98068-91-8 C13H8Cl6O2S
    5-Phenylsulfonyl-1,2,3,4,7,7-hexachlor-2-norbornen
    —— 5-(methylthio)-1-β-D-ribofuranosylimidazole-4-carboxamide 97151-16-1 C10H15N3O5S
    5-(methylthio)-1-β-D-ribofuranosylimidazole-4-carboxamide
    —— [5-(benzyloxy)-2-bromophenyl](cyclohexyl)methanone 1543034-79-2 C20H21BrO2
    [5-(benzyloxy)-2-bromophenyl](cyclohexyl)methanone
    —— 5-(4-Chloro-phenoxymethyl)-[1,3,4]thiadiazole-2-sulfonic acid amide 328528-30-9 C9H8ClN3O3S2
    5-(4-Chloro-phenoxymethyl)-[1,3,4]thiadiazole-2-sulfonic acid amide
    —— (5,5'-bis(10,15,20-triphenylporphyrinate))(Fe(III)Cl)2 229643-64-5 C76H46Cl2Fe2N8
    (5,5'-bis(10,15,20-triphenylporphyrinate))(Fe(III)Cl)2
    —— 5-amino-3,3-diethyl-1-methyl-6-nitro-1,3-dihydro-indol-2-one 869846-38-8 C13H17N3O3
    5-amino-3,3-diethyl-1-methyl-6-nitro-1,3-dihydro-indol-2-one
    —— 5-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5H-thieno[3,2-c]pyridin-4-one 849765-69-1 C12H13NO4S
    5-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5H-thieno[3,2-c]pyridin-4-one
    —— 5-Chloro-2-phenyl-1-propan-2-yl-2,3-dihydroquinazolin-4-one 95216-78-7 C17H17ClN2O
    5-Chloro-2-phenyl-1-propan-2-yl-2,3-dihydroquinazolin-4-one
    —— 5,7-dimethoxy-[8]quinolylamine 36107-04-7 C11H12N2O2
    5,7-dimethoxy-[8]quinolylamine
    —— 5-(1H-benzimidazol-4-yl)furan-2-carbaldehyde 136497-50-2 C12H8N2O2
    5-(1H-benzimidazol-4-yl)furan-2-carbaldehyde
    —— 5-(2-chlorophenylacetylamino)-3-(4-fluorophenyl)-1-(2-hydroxyethyl)-4-(4-pyridyl)pyrazole 277747-49-6 C24H20ClFN4O2
    5-(2-chlorophenylacetylamino)-3-(4-fluorophenyl)-1-(2-hydroxyethyl)-4-(4-pyridyl)pyrazole
    —— 5-amino-2-(2,3-dideoxy-β-D-glycero-pentofuranosyl)-2,6-dihydro-7H-1,2,3-triazolo<4,5-d>pyrimidine-7-one 152732-97-3 C9H12N6O3
    5-amino-2-(2,3-dideoxy-β-D-glycero-pentofuranosyl)-2,6-dihydro-7H-1,2,3-triazolo<4,5-d>pyrimidine-7-one
    —— 5-chloro-N-ethyl-9-isopropyl[1,2,4]triazolo[4,3-a][1,8]naphthyridine-6-carboxamide 1060775-11-2 C15H16ClN5O
    5-chloro-N-ethyl-9-isopropyl[1,2,4]triazolo[4,3-a][1,8]naphthyridine-6-carboxamide
    —— 5-chloro-2-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)benzonitrile 914942-79-3 C15H9ClN2O
    5-chloro-2-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)benzonitrile
    —— 5-ethoxy-2,3-dihydroimidazo[1,2-c][1,3,2]benzoxazaphosphinine 5-oxide 96327-82-1 C11H13N2O3P
    5-ethoxy-2,3-dihydroimidazo[1,2-c][1,3,2]benzoxazaphosphinine 5-oxide
    —— (5E)-7-[2-(3,6-diisopropoxy-2-methoxybenzyloxy)ethoxy]-5-methylhepta-1,5-dien-4-ol 865838-79-5 C24H38O6
    (5E)-7-[2-(3,6-diisopropoxy-2-methoxybenzyloxy)ethoxy]-5-methylhepta-1,5-dien-4-ol
    —— 5-[2-Morpholin-4-yl-9-(1,2,3,4-tetrahydronaphthalen-2-yl)purin-6-yl]pyrazin-2-amine 1202494-16-3 C23H24N8O
    5-[2-Morpholin-4-yl-9-(1,2,3,4-tetrahydronaphthalen-2-yl)purin-6-yl]pyrazin-2-amine
    —— [5-(1-amino-ethyl)-furan-2-yl]-[(2S,4R)-4-phenyl-2-((R)-3-phenyl-pyrrolidine-1-carbonyl)-pyrrolidin-1-yl]-methanone 1201987-04-3 C28H31N3O3
    [5-(1-amino-ethyl)-furan-2-yl]-[(2S,4R)-4-phenyl-2-((R)-3-phenyl-pyrrolidine-1-carbonyl)-pyrrolidin-1-yl]-methanone
    —— 5-[(E)-2-(5-Chloro-1-methyl-1H-indol-3-yl)-vinyl]-1H-pyrazole-3-carboxylic acid ethyl ester 721428-18-8 C17H16ClN3O2
    5-[(E)-2-(5-Chloro-1-methyl-1H-indol-3-yl)-vinyl]-1H-pyrazole-3-carboxylic acid ethyl ester
    —— 5-Azido-pentanoic acid (9,10-dioxo-9,10-dihydro-anthracen-2-yl)-amide 595607-58-2 C19H16N4O3
    5-Azido-pentanoic acid (9,10-dioxo-9,10-dihydro-anthracen-2-yl)-amide
    —— 5-[(4-methoxyphenyl)(methyl)amino]methylfuran-2(5H)-one 1443296-27-2 C13H15NO3
    5-[(4-methoxyphenyl)(methyl)amino]methylfuran-2(5H)-one
    —— 5-(difluoromethylene)bicyclo<2.2.1>-hept-2-ene 4572-39-8 C8H8F2
    5-(difluoromethylene)bicyclo<2.2.1>-hept-2-ene