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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methyl-19-norandrosten-(2)-diol-(3,17β)-diacetat 114997-96-5 C23H34O4
    2-Methyl-19-norandrosten-(2)-diol-(3,17β)-diacetat
    —— 2-aminocarbonylamino-5-(3-ethoxycarbonylphenyl)pyrrole-3-carboxamide 1052078-78-0 C15H16N4O4
    2-aminocarbonylamino-5-(3-ethoxycarbonylphenyl)pyrrole-3-carboxamide
    —— 2,2-diphenyl-hexanoic acid-(3-diethylamino-1-methyl-propyl ester) 103049-46-3 C26H37NO2
    2,2-diphenyl-hexanoic acid-(3-diethylamino-1-methyl-propyl ester)
    —— 2,5-bis(p-tolylamino)cyclohexane-1,4-diol 1207380-79-7 C20H26N2O2
    2,5-bis(p-tolylamino)cyclohexane-1,4-diol
    —— 2,3-dimethyl-7-nitro-3H-quinazolin-4-one 102654-15-9 C10H9N3O3
    2,3-dimethyl-7-nitro-3H-quinazolin-4-one
    —— 2-diazo-N-(4-bromophenyl)-N-methylacetamide 1384521-02-1 C9H8BrN3O
    2-diazo-N-(4-bromophenyl)-N-methylacetamide
    —— 2-(1-(1-(2-(1-isopropyl-4-methyl-1H-imidazol-2-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-10-yl)ethyl)piperidin-4-yl)propan-2-ol 1401301-70-9 C28H39N5O2
    2-(1-(1-(2-(1-isopropyl-4-methyl-1H-imidazol-2-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-10-yl)ethyl)piperidin-4-yl)propan-2-ol
    —— 2,9-Dimethoxy-decanedioic acid diethyl ester 93191-29-8 C16H30O6
    2,9-Dimethoxy-decanedioic acid diethyl ester
    —— 2-[<i>N</i>-(2-fluoro-ethyl)-4-(2-methanesulfonyl-4-nitro-phenylazo)-anilino]-ethanol 444-85-9 C17H19FN4O5S
    2-[<i>N</i>-(2-fluoro-ethyl)-4-(2-methanesulfonyl-4-nitro-phenylazo)-anilino]-ethanol
    —— 2',3',5'-Tri-O-formyl-6-aza-uridin 95766-30-6 C11H11N3O9
    2',3',5'-Tri-O-formyl-6-aza-uridin
    —— 2,3-Bis-<1-phenyl-tetrazolyl-(5)-mercapto>-hydrochinon 106300-39-4 C20H14N8O2S2
    2,3-Bis-<1-phenyl-tetrazolyl-(5)-mercapto>-hydrochinon
    —— 2-<3.4.5-Trimethoxy-benzoylamino>-3-<3.4.5-trimethoxy-phenyl>-acrylsaeure-piperidid 103163-56-0 C27H34N2O8
    2-<3.4.5-Trimethoxy-benzoylamino>-3-<3.4.5-trimethoxy-phenyl>-acrylsaeure-piperidid
    —— 2-hydroxy-benzoic acid [3-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-1-phenyl-propylidene]-hydrazide 103644-64-0 C23H22N6O4
    2-hydroxy-benzoic acid [3-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-1-phenyl-propylidene]-hydrazide
    —— (2-ethoxy-benzyliden)-(2-ethoxy-thiazol-5-yl)-amine 101938-73-2 C14H16N2O2S
    (2-ethoxy-benzyliden)-(2-ethoxy-thiazol-5-yl)-amine
    —— 2'-(4-amino-butyl)-1-(4-amino-2(S)-hydroxy-butyryl)-sisomicin 1154758-23-2 C27H53N7O9
    2'-(4-amino-butyl)-1-(4-amino-2(S)-hydroxy-butyryl)-sisomicin
    —— (2S)-cyclohexyl{[(hex-5-en-1-yloxy)carbonyl]amino}acetic acid 924271-06-7 C15H25NO4
    (2S)-cyclohexyl{[(hex-5-en-1-yloxy)carbonyl]amino}acetic acid
    —— 2-(5,7-diphenyl-4-oxo-3,4,5,8-tetrahydropyrimido[5',4':4,5]thieno[3,2-c]pyridazin-2-yl)-3-phenylacrylonitrile 1160168-00-2 C29H19N5OS
    2-(5,7-diphenyl-4-oxo-3,4,5,8-tetrahydropyrimido[5',4':4,5]thieno[3,2-c]pyridazin-2-yl)-3-phenylacrylonitrile
    —— 2-((E)-3-Diethylamino-1-thiophen-2-yl-allylidene)-malononitrile 102354-32-5 C14H15N3S
    2-((E)-3-Diethylamino-1-thiophen-2-yl-allylidene)-malononitrile
    —— (2S,3aS,3a1R,5R,6aS,7S,8R,12S,13R,13aR,14S,15R)-2,3,3a1,5,6,6a,13,13a-octahydro-1H,4H,7H,9H-3a,8,12-(epimethanetriyl)-2,12:5,8:7,13-trimethanocyclodeca[de]naphthalene-14-carboxylic acid 652999-26-3 C22H26O2
    (2S,3aS,3a1R,5R,6aS,7S,8R,12S,13R,13aR,14S,15R)-2,3,3a1,5,6,6a,13,13a-octahydro-1H,4H,7H,9H-3a,8,12-(epimethanetriyl)-2,12:5,8:7,13-trimethanocyclodeca[de]naphthalene-14-carboxylic acid
    —— 2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6S)-4-acetoxy-3-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-6-(2,2,2-trichloro-acetimidoyloxy)-5-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-2-ylmethyl ester 695179-94-3 C32H42Cl6N2O18
    2,2-Dimethyl-propionic acid (2R,3S,4R,5R,6S)-4-acetoxy-3-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-6-(2,2,2-trichloro-acetimidoyloxy)-5-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-2-ylmethyl ester
    —— 2-[(R)-2-naphthalen-1-yl-2-phenylethyl]benzothiazole 1572040-00-6 C25H19NS
    2-[(R)-2-naphthalen-1-yl-2-phenylethyl]benzothiazole
    —— 2-(4-tert-butylphenyl)-9-fluoropyrrolo[2,3,4-kl]acridin-1(2H)-one 1423126-31-1 C24H19FN2O
    2-(4-tert-butylphenyl)-9-fluoropyrrolo[2,3,4-kl]acridin-1(2H)-one
    —— 2-(4-bromophenyl)-5-thioxo-5,6,8,9,10,11-hexahydrobenzo[b]thiopheno[2,3-d]imidazo[1,2-c]pyrimidine 1186033-36-2 C18H14BrN3S2
    2-(4-bromophenyl)-5-thioxo-5,6,8,9,10,11-hexahydrobenzo[b]thiopheno[2,3-d]imidazo[1,2-c]pyrimidine
    —— 2-hexyl-4,4'-dimethyldiphenylsulfide 137156-02-6 C20H26S
    2-hexyl-4,4'-dimethyldiphenylsulfide
    —— 2-[2-(3-Methylphenyl)aziridin-1-yl]isoindole-1,3-dione 93521-55-2 C17H14N2O2
    2-[2-(3-Methylphenyl)aziridin-1-yl]isoindole-1,3-dione
    —— 2-(4-Chloro-3-sulfobenzoyl)-benzoic Acid 345930-32-7 C14H9ClO6S
    2-(4-Chloro-3-sulfobenzoyl)-benzoic Acid
    —— 2-(1-Chlorocyclopropyl)-1-(2,2-dichloro-1-methylcyclopropyl)-3-(1,2,4-triazol-1-yl)propan-2-ol 1311370-48-5 C12H16Cl3N3O
    2-(1-Chlorocyclopropyl)-1-(2,2-dichloro-1-methylcyclopropyl)-3-(1,2,4-triazol-1-yl)propan-2-ol
    —— 2-methoxy-1-[4-[4-[5-[[(2S)-morpholin-2-yl]methylamino]pyrido[3,4-b]pyrazin-7-yl]phenyl]piperidin-1-yl]ethanone 1415793-18-8 C26H32N6O3
    2-methoxy-1-[4-[4-[5-[[(2S)-morpholin-2-yl]methylamino]pyrido[3,4-b]pyrazin-7-yl]phenyl]piperidin-1-yl]ethanone
    —— 2-methyl-3,5-dioxo-4-(tetrahydropyran-4-ylmethyl)-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-3-fluorophenyl]amide trifluoroacetate 1437322-69-4 C2HF3O2*C28H28FN5O7
    2-methyl-3,5-dioxo-4-(tetrahydropyran-4-ylmethyl)-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-3-fluorophenyl]amide trifluoroacetate
    —— 2-(2-Acetylphenoxy)-7-(2-butynyl)-1-methyl-8-(piperazin-1-yl)-1,7-dihydropurin-6-one trifluoroacetate 635719-27-6 C2HF3O2*C22H24N6O3
    2-(2-Acetylphenoxy)-7-(2-butynyl)-1-methyl-8-(piperazin-1-yl)-1,7-dihydropurin-6-one trifluoroacetate
    —— 2-Phenylhex-5-ynyl 4-methylbenzenesulfonate 190369-93-8 C19H20O3S
    2-Phenylhex-5-ynyl 4-methylbenzenesulfonate
    —— 2-benzyloxy-5-(4-benzylpiperidine-1-carbonyl)-N-[3,5-bis(trifluoromethyl)phenyl]-benzamide 634187-07-8 C35H30F6N2O3
    2-benzyloxy-5-(4-benzylpiperidine-1-carbonyl)-N-[3,5-bis(trifluoromethyl)phenyl]-benzamide
    —— 2-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-methyl-N-{2-(4-morpholinyl)-1-[3'-(1-pyrrolidinylcarbonyl)-3-biphenylyl]ethyl}acetamide 1003875-00-0 C34H36Cl2N4O5
    2-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-methyl-N-{2-(4-morpholinyl)-1-[3'-(1-pyrrolidinylcarbonyl)-3-biphenylyl]ethyl}acetamide
    —— 2-((4-fluoro-3-methylphenyl)ethynyl)-6,7-dihydroindolizin-8(5H)-one 1416220-18-2 C17H14FNO
    2-((4-fluoro-3-methylphenyl)ethynyl)-6,7-dihydroindolizin-8(5H)-one
    —— 2-iodo-8,8-dimethyl-7,8-dihydro-5H-pyrrolo[1,2-a]azepin-9(6H)-one 1416221-48-1 C11H14INO
    2-iodo-8,8-dimethyl-7,8-dihydro-5H-pyrrolo[1,2-a]azepin-9(6H)-one
    —— 2-ethoxy-2-methyl-4-phenyl-[1,4,2]oxazasilinane 27247-88-7 C12H19NO2Si
    2-ethoxy-2-methyl-4-phenyl-[1,4,2]oxazasilinane
    —— (2-dimethylamino-ethoxy)-carbamic acid ethyl ester 19422-24-3 C7H16N2O3
    (2-dimethylamino-ethoxy)-carbamic acid ethyl ester
    —— 2(S)-[2-(N-Acetyl-L-leucyl)pyrazolidine-1-carbonyloxy]-3-phenylpropionic acid 124075-22-5 C21H29N3O6
    2(S)-[2-(N-Acetyl-L-leucyl)pyrazolidine-1-carbonyloxy]-3-phenylpropionic acid
    —— 2(S)-(3-(Acetylthio)-2(S)-methyl-1-oxopropoxy)-3-(1,1-dimethylethoxy)propanoic acid 140371-03-5 C13H22O6S
    2(S)-(3-(Acetylthio)-2(S)-methyl-1-oxopropoxy)-3-(1,1-dimethylethoxy)propanoic acid
    —— 2-Cyclohexyl-1-oxo-4-phenyl-1,2-dihydro-isoquinoline-3-carboxylic acid amide 137537-53-2 C22H22N2O2
    2-Cyclohexyl-1-oxo-4-phenyl-1,2-dihydro-isoquinoline-3-carboxylic acid amide
    —— 2,2-bis(4-hydroxyphenoxy)-4,4,6,6-bis[spiro(2',2''-dioxy-1',1''-biphenyl)]cyclotriphosphazene 197570-51-7 C36H26N3O8P3
    2,2-bis(4-hydroxyphenoxy)-4,4,6,6-bis[spiro(2',2''-dioxy-1',1''-biphenyl)]cyclotriphosphazene
    —— 2-deoxy-2-[(1-oxo-2-propyn-1-yl)amino]-D-glucopyranose-3,4,6-triacetate-1-(dihydrogen phosphate) 1355005-37-6 C15H20NO12P
    2-deoxy-2-[(1-oxo-2-propyn-1-yl)amino]-D-glucopyranose-3,4,6-triacetate-1-(dihydrogen phosphate)
    —— (2-ethoxy-phenyl)-(3-phenyl-oxazolidin-2-ylidene)-amine 32974-59-7 C17H18N2O2
    (2-ethoxy-phenyl)-(3-phenyl-oxazolidin-2-ylidene)-amine
    —— 2,3-Difluoro-4-(4-octyloxy-phenylazo)-phenol 903896-75-3 C20H24F2N2O2
    2,3-Difluoro-4-(4-octyloxy-phenylazo)-phenol
    —— 2-(4-Hydroxy-2-methyl-phenyl)-Δ<sup>1</sup>-pyrrolin 7167-62-6 C11H13NO
    2-(4-Hydroxy-2-methyl-phenyl)-Δ<sup>1</sup>-pyrrolin
    —— 2,2'-((6-(4-(1-aminocyclobutyl)phenyl)-5-phenylfuro[2,3-d]pyrimidine-2,4-diyl)bis(azanediyl))diethanol 1301609-51-7 C26H29N5O3
    2,2'-((6-(4-(1-aminocyclobutyl)phenyl)-5-phenylfuro[2,3-d]pyrimidine-2,4-diyl)bis(azanediyl))diethanol
    —— 2,3,4,5-tetrafluorophenyliodine difluoride 883882-14-2 C6HF6I
    2,3,4,5-tetrafluorophenyliodine difluoride
    —— 2-morpholinoethyl (Z)-7-((1R,2R,5S)-2-chloro-5-(4-(cyclohexyl(hydroxy)methyl)phenyl)cyclopentyl)hept-5-enoate 1192658-19-7 C31H46ClNO4
    2-morpholinoethyl (Z)-7-((1R,2R,5S)-2-chloro-5-(4-(cyclohexyl(hydroxy)methyl)phenyl)cyclopentyl)hept-5-enoate
    —— 2,3-dihydro-3-(phenylhydrazono)-1-phenylindolizin-2-one 107934-04-3 C20H15N3O
    2,3-dihydro-3-(phenylhydrazono)-1-phenylindolizin-2-one
    —— 2-Ethylaminopropyl-phenylphosphin 33730-79-9 C11H18NP
    2-Ethylaminopropyl-phenylphosphin