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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-hydroxy-1-naphthaldehydethiosemicarbazone 85949-64-0 C12H11N3OS
    2-hydroxy-1-naphthaldehydethiosemicarbazone
    —— 2,4-dicyclohexyl-3-sulfanylidene-1,2,4-thiadiazolidin-5-one 130256-01-8 C14H22N2OS2
    2,4-dicyclohexyl-3-sulfanylidene-1,2,4-thiadiazolidin-5-one
    —— 2.4-Dichlorophenylsulfamoyl-acetonitril 27869-09-6 C8H6Cl2N2O2S
    2.4-Dichlorophenylsulfamoyl-acetonitril
    —— 2,2-dichloro-propionic acid thiazol-2-ylamide 98142-31-5 C6H6Cl2N2OS
    2,2-dichloro-propionic acid thiazol-2-ylamide
    —— 2,2,5-trimethyl-5-(2',6',6'-trimethyl-1'-cyclohexen-1'-yl)-3,4,6(E)-heptatriene 84303-95-7 C19H30
    2,2,5-trimethyl-5-(2',6',6'-trimethyl-1'-cyclohexen-1'-yl)-3,4,6(E)-heptatriene
    —— 2,2'-(phenylazanediyl)bis(benzo[d][1,3,2]dioxaphosphole 2-selenide) 1381962-66-8 C18H13NO4P2Se2
    2,2'-(phenylazanediyl)bis(benzo[d][1,3,2]dioxaphosphole 2-selenide)
    —— 2-(pentamethylcyclopentadienyl)-1,3-bis(trimethylsilyl)-1,3-diaza-2-yttria-[3]ferrocenophane-pyridine(Y-N) 1161860-91-8 C31H46FeN3Si2Y
    2-(pentamethylcyclopentadienyl)-1,3-bis(trimethylsilyl)-1,3-diaza-2-yttria-[3]ferrocenophane-pyridine(Y-N)
    —— 2-mesityl-1.3-dihydro-2.1.3-benzo diaza borol 109311-77-5 C15H17BN2
    2-mesityl-1.3-dihydro-2.1.3-benzo diaza borol
    —— 2,2,4,5-tetramethyl-4,5-bis(trifluormethyl)-1,3,2-dioxastannolane 106918-47-2 C8H12F6O2Sn
    2,2,4,5-tetramethyl-4,5-bis(trifluormethyl)-1,3,2-dioxastannolane
    —— 2-Phenyl-3-formyl-4,5-benzo-cumaron-Azlacton 104718-14-1 C28H17NO3
    2-Phenyl-3-formyl-4,5-benzo-cumaron-Azlacton
    —— 2-hydroxyestradiol 17β-sulfate 76761-39-2 C18H23O6S*K
    2-hydroxyestradiol 17β-sulfate
    —— 2-(4-cyano-1,5-diphenyl-1H-pyrazol-3-yl)-1H-imidazo[1,2-a]benzimidazole 1227951-87-2 C25H16N6
    2-(4-cyano-1,5-diphenyl-1H-pyrazol-3-yl)-1H-imidazo[1,2-a]benzimidazole
    —— 2-carboxyethanethio-p-tolyltellurium(II) 75264-86-7 C10H12O2STe
    2-carboxyethanethio-p-tolyltellurium(II)
    —— 2-(4-Nitro-phenyl)-3-phenylamino-chromen-4-one 208931-92-4 C21H14N2O4
    2-(4-Nitro-phenyl)-3-phenylamino-chromen-4-one
    —— 2,4,6-Trichlor-5-fluor-1,3-bis-(2,2,3,3,4,4,5,5,-octafluor-pentyloxy)-benzol 15048-93-8 C16H6Cl3F17O2
    2,4,6-Trichlor-5-fluor-1,3-bis-(2,2,3,3,4,4,5,5,-octafluor-pentyloxy)-benzol
    —— 2-(4-(2-(4-methoxy-2-(trifluoromethyl)phenyl)acetamido)-N-(4-(5-(4-methylphenylsulfonamido)-1,2,4-oxadiazol-3-yl)benzyl)benzamido)acetic acid 1415674-69-9 C35H30F3N5O8S
    2-(4-(2-(4-methoxy-2-(trifluoromethyl)phenyl)acetamido)-N-(4-(5-(4-methylphenylsulfonamido)-1,2,4-oxadiazol-3-yl)benzyl)benzamido)acetic acid
    —— 2,2,2-trifluoroethyl 2-N-acetyl-4,6-di-O-acetyl-2,3-N,O-carbonyl-2-deoxy-α-D-glucopyranoside 1379678-12-2 C15H18F3NO9
    2,2,2-trifluoroethyl 2-N-acetyl-4,6-di-O-acetyl-2,3-N,O-carbonyl-2-deoxy-α-D-glucopyranoside
    —— 2-(4-bromobenzoyl)-3-[4-(morpholine-2-oxoethoxy)phenyl]-6,7-dihydrogen-5H-furo[3,2-g]chromene 1243202-48-3 C30H26BrNO6
    2-(4-bromobenzoyl)-3-[4-(morpholine-2-oxoethoxy)phenyl]-6,7-dihydrogen-5H-furo[3,2-g]chromene
    —— 2'-(1-amino-ethyl)-5'-(3-fluoro-pyridin-4-ylcarbamoyl)-biphenyl-3-carboxylic acid 2-hydroxy-ethyl ester 1333399-07-7 C23H22FN3O4
    2'-(1-amino-ethyl)-5'-(3-fluoro-pyridin-4-ylcarbamoyl)-biphenyl-3-carboxylic acid 2-hydroxy-ethyl ester
    —— 2-((2,6-dichlorobenzyl)thio)-1-(4-fluorophenyl)-N-methyl-N-(pyridin-4-ylmethyl)-1H-imidazole-5-carboxamide 1416264-36-2 C24H19Cl2FN4OS
    2-((2,6-dichlorobenzyl)thio)-1-(4-fluorophenyl)-N-methyl-N-(pyridin-4-ylmethyl)-1H-imidazole-5-carboxamide
    —— 2,3-dicyano-5-[8-(9-julolidyl)-1,3,5,7-octatetraenyl]pyrazine 944954-84-1 C26H23N5
    2,3-dicyano-5-[8-(9-julolidyl)-1,3,5,7-octatetraenyl]pyrazine
    —— 2-(4-chloro-phenyl)-3-cyclopropylmethoxy-2,6,7,9-tetrahydro-8-oxa-1,2,5-triaza-cyclopenta[a]naphthalene 1117954-19-4 C19H18ClN3O2
    2-(4-chloro-phenyl)-3-cyclopropylmethoxy-2,6,7,9-tetrahydro-8-oxa-1,2,5-triaza-cyclopenta[a]naphthalene
    —— (2S)-2-[[(2R,3R)-3-[(2S)-1-[(3R,4S,5S)-4-[[(2S)-2-[[(2S)-2-[2-[2-(2-aminooxyethoxy)ethoxy]ethyl-methylamino]-3-methylbutanoyl]amino]-3-methylbutanoyl]-methylamino]-3-methoxy-5-methylheptanoyl]pyrrolidin-2-yl]-3-methoxy-2-methylpropanoyl]amino]-3-phenylpropanoic acid 1415246-36-4 C45H78N6O11
    (2S)-2-[[(2R,3R)-3-[(2S)-1-[(3R,4S,5S)-4-[[(2S)-2-[[(2S)-2-[2-[2-(2-aminooxyethoxy)ethoxy]ethyl-methylamino]-3-methylbutanoyl]amino]-3-methylbutanoyl]-methylamino]-3-methoxy-5-methylheptanoyl]pyrrolidin-2-yl]-3-methoxy-2-methylpropanoyl]amino]-3-phenylpropanoic acid
    —— 2-(2-tetrahydropyranyloxy)-6-methoxy-5-nitro-1,2,3,4-tetrahydronaphthalene 89331-11-3 C16H21NO5
    2-(2-tetrahydropyranyloxy)-6-methoxy-5-nitro-1,2,3,4-tetrahydronaphthalene
    —— 2-(2-Amino-3-phenylphenyl)-6-phenylaniline 1174558-24-7 C24H20N2
    2-(2-Amino-3-phenylphenyl)-6-phenylaniline
    —— (2S,5S)-pyrrolidine-1,2,5-tricarboxylic acid 2-(2-acetyl-1H-imidazol-4-yl)methyl 1-tert-butyl 5-methyl ester 1331754-98-3 C18H25N3O7
    (2S,5S)-pyrrolidine-1,2,5-tricarboxylic acid 2-(2-acetyl-1H-imidazol-4-yl)methyl 1-tert-butyl 5-methyl ester
    —— [2,2'-(o-phenylenebis(nitrilomethylidene))dinaphtholato-N,N',O,O']iron(III) * dioxane 191279-54-6 C4H8O2*C28H18ClFeN2O2
    [2,2'-(o-phenylenebis(nitrilomethylidene))dinaphtholato-N,N',O,O']iron(III) * dioxane
    —— 2,6-Bis-[1-(4-benzyloxy-3,5-dimethoxy-phenyl)-meth-(E)-ylidene]-4-methyl-cyclohexanone 58161-86-7 C39H40O7
    2,6-Bis-[1-(4-benzyloxy-3,5-dimethoxy-phenyl)-meth-(E)-ylidene]-4-methyl-cyclohexanone
    —— (2-acetylamino-6-p-fluorobenzylcarbamoyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-3-yl)(3,4,5-trimethoxyphenyl)methanone 1078692-39-3 C27H28FN3O6S
    (2-acetylamino-6-p-fluorobenzylcarbamoyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-3-yl)(3,4,5-trimethoxyphenyl)methanone
    —— 2-oxo-1-(2,2,2-trifluoroethyl)-1,2-dihydropyridine-3-carboxylic acid 1341455-73-9 C8H6F3NO3
    2-oxo-1-(2,2,2-trifluoroethyl)-1,2-dihydropyridine-3-carboxylic acid
    —— 2-((1R,3R,4S)-2,2-dimethyl-4-nitro-3-phenylcyclobutyl)acetaldehyde 1356935-75-5 C14H17NO3
    2-((1R,3R,4S)-2,2-dimethyl-4-nitro-3-phenylcyclobutyl)acetaldehyde
    —— 2-(4-chlorophenyl)-1-{3-[4-(3-acetylaminophenyl)piperidin-1-yl]propyl}-6-carbamoyl-1H-benzimidazole 1081111-65-0 C30H32ClN5O2
    2-(4-chlorophenyl)-1-{3-[4-(3-acetylaminophenyl)piperidin-1-yl]propyl}-6-carbamoyl-1H-benzimidazole
    —— 2-((1<i>R</i>)-2<i>endo</i>-bromo-7,7-dimethyl-[1]norbornyl)-ethanol 105583-15-1 C11H19BrO
    2-((1<i>R</i>)-2<i>endo</i>-bromo-7,7-dimethyl-[1]norbornyl)-ethanol
    —— 2-hydrazino-3-(5,6,7,8-tetrahydronaphthalen-2-yl)quinoxaline 887926-20-7 C18H18N4
    2-hydrazino-3-(5,6,7,8-tetrahydronaphthalen-2-yl)quinoxaline
    —— (2S,3R)-3-<(tert-butyldiphenylsilyl)oxy>-N-(2,4-dimethoxybenzyl)-2-(phenylthiomethyl)butanamide 137528-05-3 C36H43NO4SSi
    (2S,3R)-3-<(tert-butyldiphenylsilyl)oxy>-N-(2,4-dimethoxybenzyl)-2-(phenylthiomethyl)butanamide
    —— 2,6,6-trimethyl-7-iodo-2-heptene 132462-49-8 C10H19I
    2,6,6-trimethyl-7-iodo-2-heptene
    —— (2S)-diethyl 1-cyano-1-trimethylsilyloxy-2-(1,3-dioxoisoindolin-2-yl)-3-phenylphosphonate 929901-08-6 C25H31N2O6PSi
    (2S)-diethyl 1-cyano-1-trimethylsilyloxy-2-(1,3-dioxoisoindolin-2-yl)-3-phenylphosphonate
    —— 2-(5-bromo-1-pentyl-1H-indol-3-yl)-N-cyclohexyl-2-oxoacetamide 1378020-93-9 C21H27BrN2O2
    2-(5-bromo-1-pentyl-1H-indol-3-yl)-N-cyclohexyl-2-oxoacetamide
    —— 2-[3-(5-chloropyridin-2-yloxy)phenyl]chroman-4,6-diol 728935-05-5 C20H16ClNO4
    2-[3-(5-chloropyridin-2-yloxy)phenyl]chroman-4,6-diol
    —— (2Z)-2-({2-cyclopropyl-1-[2-(3-hydroxypyrrolidin-1-yl)ethyl]-5-methoxy-1H-indol-3-yl}methylene)-4,6-dihydroxy-1-benzofuran-3(2H)-one 1200533-85-2 C27H28N2O6
    (2Z)-2-({2-cyclopropyl-1-[2-(3-hydroxypyrrolidin-1-yl)ethyl]-5-methoxy-1H-indol-3-yl}methylene)-4,6-dihydroxy-1-benzofuran-3(2H)-one
    —— 2-[1-[[4-(5,6-dichloro-1H-benzimidazol-2-yl)phenyl]methyl]-3,5-diethylpyrazol-4-yl]acetic acid 1401963-44-7 C23H22Cl2N4O2
    2-[1-[[4-(5,6-dichloro-1H-benzimidazol-2-yl)phenyl]methyl]-3,5-diethylpyrazol-4-yl]acetic acid
    —— (2,6-Dimethoxy-5-methyl-5,6,7,8-tetrahydro-quinolin-5-yl)-carbamic acid methyl ester 259653-59-3 C14H20N2O4
    (2,6-Dimethoxy-5-methyl-5,6,7,8-tetrahydro-quinolin-5-yl)-carbamic acid methyl ester
    —— (2Z,6E,10Z)-9-Hydroxy-11-[2-(5-hydroxy-2,5-dimethyl-cyclopent-1-enyl)-ethyl]-7,13-dimethyl-2-triethylsilanylmethyl-tetradeca-2,6,10,12-tetraenoic acid isopropyl ester 109787-70-4 C35H60O4Si
    (2Z,6E,10Z)-9-Hydroxy-11-[2-(5-hydroxy-2,5-dimethyl-cyclopent-1-enyl)-ethyl]-7,13-dimethyl-2-triethylsilanylmethyl-tetradeca-2,6,10,12-tetraenoic acid isopropyl ester
    —— 2,2-Dibutyl-4-dicyanomethylen-1,3,2-dithiastannetan 21986-62-9 C12H18N2S2Sn
    2,2-Dibutyl-4-dicyanomethylen-1,3,2-dithiastannetan
    —— 2-bromo-4,6-difluoro-5-trifluoromethoxybenzoic acid 1026184-48-4 C8H2BrF5O3
    2-bromo-4,6-difluoro-5-trifluoromethoxybenzoic acid
    —— (2S)-N-[(2S)-4-methyl-1-oxo-1-(3-(pyridin-2-ylmethyl)-2-oxo-1,3,4-oxadiazolin-5-yl)-2-pentyl]-2-benzyloxycarbonylamino-4-methylpentanamide 345213-59-4 C28H35N5O6
    (2S)-N-[(2S)-4-methyl-1-oxo-1-(3-(pyridin-2-ylmethyl)-2-oxo-1,3,4-oxadiazolin-5-yl)-2-pentyl]-2-benzyloxycarbonylamino-4-methylpentanamide
    —— 2-(4-methoxy-phenyl)-oxazole-4,5-dicarboxylic acid diethyl ester 42469-88-5 C16H17NO6
    2-(4-methoxy-phenyl)-oxazole-4,5-dicarboxylic acid diethyl ester
    —— 2-(1,2-Benzoxazol-3-yl)ethan-1-amine hydrochloride 57148-89-7 C9H11ClN2O
    2-(1,2-Benzoxazol-3-yl)ethan-1-amine hydrochloride
    —— 2-[2-(4-methoxy-phenyl)-2-oxo-ethylidene]-[1,3]dithiole-4,5-dicarboxylic acid diethyl ester 59339-06-9 C18H18O6S2
    2-[2-(4-methoxy-phenyl)-2-oxo-ethylidene]-[1,3]dithiole-4,5-dicarboxylic acid diethyl ester
    —— (2S)-2-(tert-butoxy)-2-[(23E,25E)-17-chloro-4,27-dimethyl-21-oxa-1,5,7,8-tetraazahexacyclo[25.2.2.1<sup>(6,9)</sup>.1<sup>(10,14)</sup>.0<sup>(2,7)</sup>.0<sup>(15,20)</sup>]tritriaconta-2,4,6(33),8,10(32),11,13,15(20),16,18,23,25-dodecaen-3-yl]acetic acid 1567210-28-9 C36H39ClN4O4
    (2S)-2-(tert-butoxy)-2-[(23E,25E)-17-chloro-4,27-dimethyl-21-oxa-1,5,7,8-tetraazahexacyclo[25.2.2.1<sup>(6,9)</sup>.1<sup>(10,14)</sup>.0<sup>(2,7)</sup>.0<sup>(15,20)</sup>]tritriaconta-2,4,6(33),8,10(32),11,13,15(20),16,18,23,25-dodecaen-3-yl]acetic acid