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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(2,3,4-trihydroxybenzylidene)hydrazine-1-carbothioamide 101212-23-1 C8H9N3O3S
    2-(2,3,4-trihydroxybenzylidene)hydrazine-1-carbothioamide
    —— 2-germa-1,1,3,3-tetrakis(trimethylsilyl)tetramethylcyclopentasilan-2-ylenehafnocene*PEt3 complex 1436417-25-2 C32H73GeHfPSi8
    2-germa-1,1,3,3-tetrakis(trimethylsilyl)tetramethylcyclopentasilan-2-ylenehafnocene*PEt3 complex
    —— 2,3-diamino-pyrimido[2,1-<i>a</i>]isoquinolin-4-one 42398-51-6 C12H10N4O
    2,3-diamino-pyrimido[2,1-<i>a</i>]isoquinolin-4-one
    —— 2,6-dichloro-4,8-bis-(4-methyl-piperidin-1-yl)-pyrimido[5,4-<i>d</i>]pyrimidine 94030-71-4 C18H24Cl2N6
    2,6-dichloro-4,8-bis-(4-methyl-piperidin-1-yl)-pyrimido[5,4-<i>d</i>]pyrimidine
    —— 2-Pyridinamine, 6-fluoro-4-(methylthio)- 1824097-19-9 C6H7FN2S
    2-Pyridinamine, 6-fluoro-4-(methylthio)-
    —— 2-Aza-tricyclo[5.3.3.0<sup>1,6</sup>]trideca-5,8-dien-4-ol 36086-94-9 C12H17NO
    2-Aza-tricyclo[5.3.3.0<sup>1,6</sup>]trideca-5,8-dien-4-ol
    —— 2-Hydroxyimino-cyclohexan-propionsaeure-aethylester 90942-91-9 C9H15NO3
    2-Hydroxyimino-cyclohexan-propionsaeure-aethylester
    —— 2,2-Bis-chloromethyl-pentan-1-ol 89796-91-8 C7H14Cl2O
    2,2-Bis-chloromethyl-pentan-1-ol
    —— 2-benzyl-1,2-dihydro-1-[bis(cyano)methylene]isoquinoline 342812-91-3 C19H13N3
    2-benzyl-1,2-dihydro-1-[bis(cyano)methylene]isoquinoline
    —— 2-[5-(2,6-difluorobenzyl)-1,4,5-trimethyl-3,6-dioxopiperazin-2-ylidenemethyl]-benzonitrile 1092732-99-4 C22H19F2N3O2
    2-[5-(2,6-difluorobenzyl)-1,4,5-trimethyl-3,6-dioxopiperazin-2-ylidenemethyl]-benzonitrile
    —— 2-(4-chlorophenyl)-3-(4-methanesulfonylphenyl)-3-oxo-propionic acid ethyl ester 853301-99-2 C18H17ClO5S
    2-(4-chlorophenyl)-3-(4-methanesulfonylphenyl)-3-oxo-propionic acid ethyl ester
    —— 2-[5-(3-fluoro-5-trifluoromethyl-phenoxy)-4'-trifluoromethyl-biphenyl-3-yl]-4-methyl-pentanoic acid 1146595-00-7 C26H21F7O3
    2-[5-(3-fluoro-5-trifluoromethyl-phenoxy)-4'-trifluoromethyl-biphenyl-3-yl]-4-methyl-pentanoic acid
    —— 2-phenyl-tetrahydro-5<i>r</i>,10<i>c</i>-ethano-5a<i>c</i>,9a<i>c</i>-[2]oxapropano-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3-dione 51474-82-9 C20H23N3O3
    2-phenyl-tetrahydro-5<i>r</i>,10<i>c</i>-ethano-5a<i>c</i>,9a<i>c</i>-[2]oxapropano-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3-dione
    —— 2-(2,6-dimethoxyphenyl)benzothiazoline 515156-32-8 C15H15NO2S
    2-(2,6-dimethoxyphenyl)benzothiazoline
    —— 2-(2,2-Difluoro-3-p-tolyl-cyclopropyl)-2-phenyl-[1,3]dioxolane 562812-28-6 C19H18F2O2
    2-(2,2-Difluoro-3-p-tolyl-cyclopropyl)-2-phenyl-[1,3]dioxolane
    —— (2-bromo-3,3,3-trifluoro-propyl)-bis-trifluoromethyl-amine 19451-92-4 C5H3BrF9N
    (2-bromo-3,3,3-trifluoro-propyl)-bis-trifluoromethyl-amine
    —— 2,6-bis(5'-bromo-2,2'-dithiophene-5-yl)-dithieno[3,2-b:2',3'-d]thiophene 1319639-16-1 C24H10Br2S7
    2,6-bis(5'-bromo-2,2'-dithiophene-5-yl)-dithieno[3,2-b:2',3'-d]thiophene
    —— 2-(4-methylpyridin-2-yl)benzonitrile 1202026-98-9 C13H10N2
    2-(4-methylpyridin-2-yl)benzonitrile
    —— 2,5-dioxopyrrolidin-1-yl 2-(2-(tert-butoxycarbonylamino)-ethyl)-6-hydroxyhexanoate 1338240-63-3 C17H28N2O7
    2,5-dioxopyrrolidin-1-yl 2-(2-(tert-butoxycarbonylamino)-ethyl)-6-hydroxyhexanoate
    —— 2,2-Diphenethyl-4-phenyl-butyraldehyde 40654-90-8 C26H28O
    2,2-Diphenethyl-4-phenyl-butyraldehyde
    —— 2-(4-phenyl-5<i>H</i>-chromeno[2,3-<i>d</i>]pyrimidin-2-yl)-phenol 21537-68-8 C23H16N2O2
    2-(4-phenyl-5<i>H</i>-chromeno[2,3-<i>d</i>]pyrimidin-2-yl)-phenol
    —— 2-[1-Methyl-3-(toluene-4-sulfonyloxy)-cyclohexyl]-malonic acid dimethyl ester 33646-24-1 C19H26O7S
    2-[1-Methyl-3-(toluene-4-sulfonyloxy)-cyclohexyl]-malonic acid dimethyl ester
    —— 2-(1-Morpholinothiocarbonyl-3-indolyl)-3-bis(methylthio)-acrylnitril 31486-76-7 C18H19N3OS3
    2-(1-Morpholinothiocarbonyl-3-indolyl)-3-bis(methylthio)-acrylnitril
    —— 2-Chlor-1.1-di-(p-methoxy-phenyl)-ethyl-Kation 22526-96-1 C16H16ClO2
    2-Chlor-1.1-di-(p-methoxy-phenyl)-ethyl-Kation
    —— 2,4,6-Tricyclooctyl-[1,3,5,2,4,6]trioxatriphosphinane 2,4,6-trisulfide 37912-96-2 C24H45O3P3S3
    2,4,6-Tricyclooctyl-[1,3,5,2,4,6]trioxatriphosphinane 2,4,6-trisulfide
    —— 2-chloro-3-nitro-6,7,8,9-tetrahydro-4<i>H</i>-thieno[3,2-<i>b</i>]azocin-5-one 27386-11-4 C9H9ClN2O3S
    2-chloro-3-nitro-6,7,8,9-tetrahydro-4<i>H</i>-thieno[3,2-<i>b</i>]azocin-5-one
    —— 2-methyl-N-(3-(pyridin-2-yl)oxetan-3-yl)propane-2-sulfinamide 1380656-53-0 C12H18N2O2S
    2-methyl-N-(3-(pyridin-2-yl)oxetan-3-yl)propane-2-sulfinamide
    —— 2,4,6-Trinitro-1,3-bis-<4-acetyl-anilino>-benzol 97829-64-6 C22H17N5O8
    2,4,6-Trinitro-1,3-bis-<4-acetyl-anilino>-benzol
    —— 2,4-Diphenyl-4-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-4H-oxazol-5-one 91527-87-6 C22H23NO4
    2,4-Diphenyl-4-[2-(tetrahydro-pyran-2-yloxy)-ethyl]-4H-oxazol-5-one
    —— 2-((3-cyclohexyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)acetic acid 1438280-86-4 C18H19N3O3S
    2-((3-cyclohexyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)acetic acid
    —— 2-(4-Nitro-phenylmercapto)-ethanol-mesylat 20020-31-9 C9H11NO5S2
    2-(4-Nitro-phenylmercapto)-ethanol-mesylat
    —— 2-({2-[2-(2-tert-butoxycarbonylaminoacetylamino)acetylamino]acetyl}trimethylsilylmethylamino)-3-phenylpropionic acid methyl ester 429685-03-0 C25H40N4O7Si
    2-({2-[2-(2-tert-butoxycarbonylaminoacetylamino)acetylamino]acetyl}trimethylsilylmethylamino)-3-phenylpropionic acid methyl ester
    —— 2-benzyloxycarbonylamino-3-[2-({2-[2-{[1-(2-tert-butoxycarbonylamino-4-methyl-pentanoyl)-pyrrolidine-2-carbonyl]-amino}-3-(4-hydroxy-phenyl)-propionyl]-1,2,3,4-tetrahydro-isoquinoline-3-carbonyl}-amino)-3-phenyl-propionyloxy]-butyric acid methyl ester 681254-38-6 C57H70N6O13
    2-benzyloxycarbonylamino-3-[2-({2-[2-{[1-(2-tert-butoxycarbonylamino-4-methyl-pentanoyl)-pyrrolidine-2-carbonyl]-amino}-3-(4-hydroxy-phenyl)-propionyl]-1,2,3,4-tetrahydro-isoquinoline-3-carbonyl}-amino)-3-phenyl-propionyloxy]-butyric acid methyl ester
    —— 2-[(trans)-8-(benzyloxy)-1-hydroxy-1,2-dihydronaphthalen-2-yl]isoindoline-1,3-dione 1186481-95-7 C25H19NO4
    2-[(trans)-8-(benzyloxy)-1-hydroxy-1,2-dihydronaphthalen-2-yl]isoindoline-1,3-dione
    —— 2,5-dioxopyrrolidin-1-yl dimethylcarbamate 42014-48-2 C7H10N2O4
    2,5-dioxopyrrolidin-1-yl dimethylcarbamate
    —— 2-sulfanyl-3-[3-(trifluoromethyl)phenyl]propanoic acid 1383430-93-0 C10H9F3O2S
    2-sulfanyl-3-[3-(trifluoromethyl)phenyl]propanoic acid
    —— (2E,6E)-(R)-4-Methyl-octa-2,6-dienoic acid methyl ester 150417-84-8 C10H16O2
    (2E,6E)-(R)-4-Methyl-octa-2,6-dienoic acid methyl ester
    —— (2R,6S,13aS,14aR,16aS,Z)-ethyl 6-(((tert-butoxy)carbonyl)amino)-2-(4-fluoroisoindoline-2-carbonyloxy)-5,16-dioxo-2,3,5,6,7,9,10,11,13a,14,14a,15,16,16a-tetradecahydro-1H-cyclopropa(j)pyrrolo[1,2-f][1,6,9]oxadiazacyclopentadecine-14a-carboxylate 924305-17-9 C33H43FN4O9
    (2R,6S,13aS,14aR,16aS,Z)-ethyl 6-(((tert-butoxy)carbonyl)amino)-2-(4-fluoroisoindoline-2-carbonyloxy)-5,16-dioxo-2,3,5,6,7,9,10,11,13a,14,14a,15,16,16a-tetradecahydro-1H-cyclopropa(j)pyrrolo[1,2-f][1,6,9]oxadiazacyclopentadecine-14a-carboxylate
    —— 2-hydroxy-5,7-diiodo-3-(propylamino)-3H-benzo[d][1,2]oxaphosphole 2-oxide 1370047-13-4 C10H12I2NO3P
    2-hydroxy-5,7-diiodo-3-(propylamino)-3H-benzo[d][1,2]oxaphosphole 2-oxide
    —— (2S)-N-(3-(1H-pyrazol-3-yl)phenyl)-2-amino-3-phenylpropanamide 1240521-75-8 C18H18N4O
    (2S)-N-(3-(1H-pyrazol-3-yl)phenyl)-2-amino-3-phenylpropanamide
    —— 2-methyl-3-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)propionamide 1351076-54-4 C38H43NO6
    2-methyl-3-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)propionamide
    —— 2-(1-(tert-butyldimethylsilyloxy)propan-2-yl)-7-methoxy-9-phenyl-1,2-dihydropyrrolo[3,4-β]indolizin-3-one 1053217-23-4 C26H34N2O3Si
    2-(1-(tert-butyldimethylsilyloxy)propan-2-yl)-7-methoxy-9-phenyl-1,2-dihydropyrrolo[3,4-β]indolizin-3-one
    —— 2-Styrylquinoline-3-(p-methylcarboxanilide) 123768-06-9 C25H20N2O
    2-Styrylquinoline-3-(p-methylcarboxanilide)
    —— 2-(2-ethynylphenyl)-1,2,3,4-tetrahydroisoquinoline 1438277-60-1 C17H15N
    2-(2-ethynylphenyl)-1,2,3,4-tetrahydroisoquinoline
    —— 2(R)-(2-methypropyl)-5-(triisopropylsilyl)-2,3-dihydro-4-pyridone 126454-97-5 C18H35NOSi
    2(R)-(2-methypropyl)-5-(triisopropylsilyl)-2,3-dihydro-4-pyridone
    —— (2R,4S,E)-1-(benzyloxy)-6-phenylhex-5-ene-2,4-diol 1351684-89-3 C19H22O3
    (2R,4S,E)-1-(benzyloxy)-6-phenylhex-5-ene-2,4-diol
    —— 2-benzoyl-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)hydrazinecarbothioamide 1138221-25-6 C16H15N3O3S
    2-benzoyl-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)hydrazinecarbothioamide
    —— (2R)-2-hept-6-enyl-5-iodo-1-((E)-{((1S)-1-(methoxymethyl)-2-methylpropyl)imino}(phenyl)methyl)-4-oxo-2,3-dihydropyridin-4(1H)-one 904929-79-9 C25H35IN2O2
    (2R)-2-hept-6-enyl-5-iodo-1-((E)-{((1S)-1-(methoxymethyl)-2-methylpropyl)imino}(phenyl)methyl)-4-oxo-2,3-dihydropyridin-4(1H)-one
    —— 2,5-Dimethyl-3-vinyl-1,3-dien-5-ol 73618-65-2 C10H16O
    2,5-Dimethyl-3-vinyl-1,3-dien-5-ol
    —— 28-acetyl-12-benzoyloxy-11α,11a-epoxy-(12ξ)-11a-aza-11a-homo-veratra-4,12-diene-3,23-dione 35307-05-2 C36H44N2O6
    28-acetyl-12-benzoyloxy-11α,11a-epoxy-(12ξ)-11a-aza-11a-homo-veratra-4,12-diene-3,23-dione