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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-amino-4,6-dimethoxypyrimidinium trichloroacetate 1383378-38-8 C2HCl3O2*C6H9N3O2
    2-amino-4,6-dimethoxypyrimidinium trichloroacetate
    —— 2'-O-acetyl-3-decladinosyl-3-O-mesyl-12-O-ethyl-9-deoxo-9-dihydro-9a-aza-9a-homoerythro-mycin A 9a,11-cyclic carbamate 675832-00-5 C35H62N2O13S
    2'-O-acetyl-3-decladinosyl-3-O-mesyl-12-O-ethyl-9-deoxo-9-dihydro-9a-aza-9a-homoerythro-mycin A 9a,11-cyclic carbamate
    —— (2R,3R,4R,5R)-2-(4-((tert-butoxycarbonyl)amino)-2-oxopyrimidin-1(2H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diyl bis(decanoate) 1221184-98-0 C34H57N3O9
    (2R,3R,4R,5R)-2-(4-((tert-butoxycarbonyl)amino)-2-oxopyrimidin-1(2H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diyl bis(decanoate)
    —— [(2-bromo-4,5-dimethoxybenzyl)oxy]-tert-butyldiphenylsilane 1005349-79-0 C25H29BrO3Si
    [(2-bromo-4,5-dimethoxybenzyl)oxy]-tert-butyldiphenylsilane
    —— 2-Ethyl-hexanoic acid 2-(2,4-dimethyl-phenyl)-5-methyl-3-oxo-cyclohex-1-enyl ester 68429-14-1 C23H32O3
    2-Ethyl-hexanoic acid 2-(2,4-dimethyl-phenyl)-5-methyl-3-oxo-cyclohex-1-enyl ester
    —— 2-((1,1-dideuterioallyl)oxy)-3-methoxybenzaldehyde 1310931-45-3 C11H12O3
    2-((1,1-dideuterioallyl)oxy)-3-methoxybenzaldehyde
    —— 2,4'',5',9-Tetrahydro-4'',5'-diphenyldibenzo<2.2>paracyclophan-1,9-dien-3',4',5'',6''-tetracarbonsaeure-tetramethylester 109764-80-9 C44H36O8
    2,4'',5',9-Tetrahydro-4'',5'-diphenyldibenzo<2.2>paracyclophan-1,9-dien-3',4',5'',6''-tetracarbonsaeure-tetramethylester
    —— 2-Ethylimidazo[1,2-a]pyrazine 126061-66-3 C8H9N3
    2-Ethylimidazo[1,2-a]pyrazine
    —— 2'-deoxy-2'-fluoro-6-iodo-3',5'-di(O-tetrahydropyran-2-yl)uridine 1280507-39-2 C19H26FIN2O7
    2'-deoxy-2'-fluoro-6-iodo-3',5'-di(O-tetrahydropyran-2-yl)uridine
    —— 2,2,4,4-tetramethyl-3-methylene-6-([1,2,4]triazolo[4,3-a]pyridin-5-yl)-2,3,4,7,8,9-hexahydro-1H-cyclopenta[h]quinoline 1040276-21-8 C23H26N4
    2,2,4,4-tetramethyl-3-methylene-6-([1,2,4]triazolo[4,3-a]pyridin-5-yl)-2,3,4,7,8,9-hexahydro-1H-cyclopenta[h]quinoline
    —— 2-[1-(2-methylbutylcarbamothioyl)piperidin-4-yl]-N-(2-piperidin-1-ylphenyl)-1,3-thiazole-4-carboxamide 1070157-06-0 C26H37N5OS2
    2-[1-(2-methylbutylcarbamothioyl)piperidin-4-yl]-N-(2-piperidin-1-ylphenyl)-1,3-thiazole-4-carboxamide
    —— 2-Benzyl-2-aza-spiro[5.5]undecan-5-one 247089-13-0 C17H23NO
    2-Benzyl-2-aza-spiro[5.5]undecan-5-one
    —— 2-(4-methoxybenzyl)-1,3-dioxolane-2-carbaldehyde 217481-36-2 C12H14O4
    2-(4-methoxybenzyl)-1,3-dioxolane-2-carbaldehyde
    —— 2-(naphtho[2,1-d]isoxazole-3-yl)-N-phenylacetamide 1579230-62-8 C19H14N2O2
    2-(naphtho[2,1-d]isoxazole-3-yl)-N-phenylacetamide
    —— (2S)-N-(2-tetrahydropyranyloxy)-2-[5-{3-(2-(4-methoxybenzenesulfonylamino)acetylamino)phenyl}-2-thienyl]-3,4,5,6-tetrahydro-2H-thiopyran-2-acetamide 1,1-dioxide 282115-49-5 C31H37N3O9S3
    (2S)-N-(2-tetrahydropyranyloxy)-2-[5-{3-(2-(4-methoxybenzenesulfonylamino)acetylamino)phenyl}-2-thienyl]-3,4,5,6-tetrahydro-2H-thiopyran-2-acetamide 1,1-dioxide
    —— 2,2'-(decane-1,10-diyl)diphenol 10365-46-5 C22H30O2
    2,2'-(decane-1,10-diyl)diphenol
    —— 2-Oxo-5-phenylthiomethyl-cyclopentancarbonsaeuremethylester 61946-13-2 C14H16O3S
    2-Oxo-5-phenylthiomethyl-cyclopentancarbonsaeuremethylester
    —— (2S)-(-)-1-(4-indolyloxy)-3-(4-[(2,3-dihydro-1,4-benzodioxin-2-yl)methyl]piperazin-1-yl)-2-propanol ethanedioate 185255-49-6 C2H2O4*C24H29N3O4
    (2S)-(-)-1-(4-indolyloxy)-3-(4-[(2,3-dihydro-1,4-benzodioxin-2-yl)methyl]piperazin-1-yl)-2-propanol ethanedioate
    —— 2-amino-7-bromo-[1,2,4]triazolo[1,5-a]pyridine-5-carboxylic acid N'-isobutyryl-hydrazide 882521-83-7 C11H13BrN6O2
    2-amino-7-bromo-[1,2,4]triazolo[1,5-a]pyridine-5-carboxylic acid N'-isobutyryl-hydrazide
    —— 2-[2-(methylthio)ethyl]-5-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-benzimidazole 952512-26-4 C22H18F6N4O2S
    2-[2-(methylthio)ethyl]-5-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-benzimidazole
    —— 2-chloro-N-[4-(3H-imidazo[4,5-c]pyridin-2-yl)-9H-fluoren-9(R,S)-yl]-6-methyl-isonicotinamide 915140-48-6 C26H18ClN5O
    2-chloro-N-[4-(3H-imidazo[4,5-c]pyridin-2-yl)-9H-fluoren-9(R,S)-yl]-6-methyl-isonicotinamide
    —— 2-(4-methoxybenzyl)-4-((1S,2S,3S,4R,5S)-2,3,4-trihydroxy-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]oct-5-yl)benzonitrile 1210344-65-2 C22H23NO7
    2-(4-methoxybenzyl)-4-((1S,2S,3S,4R,5S)-2,3,4-trihydroxy-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]oct-5-yl)benzonitrile
    —— 2-bromo-4-fluoro-N-(4-methoxybenzyl)-N-(2-methylenepentyl)benzenesulfonamide 1601490-00-9 C20H23BrFNO3S
    2-bromo-4-fluoro-N-(4-methoxybenzyl)-N-(2-methylenepentyl)benzenesulfonamide
    —— 2,10,18-tribromo-3,6,7,11,14,15,19,22,23-nonamethoxytrinaphtho[1,2,3,4-fgh:1',2',3',4'-pqr:1'',2'',3'',4''-za1b1]trinaphthylene 1569689-09-3 C57H39Br3O9
    2,10,18-tribromo-3,6,7,11,14,15,19,22,23-nonamethoxytrinaphtho[1,2,3,4-fgh:1',2',3',4'-pqr:1'',2'',3'',4''-za1b1]trinaphthylene
    —— 2-p-tolylthieno[2,3-e][1,2,4]triazolo[1,5-c]pyrimidine 1266559-01-6 C14H10N4S
    2-p-tolylthieno[2,3-e][1,2,4]triazolo[1,5-c]pyrimidine
    —— 2-formylmethylenepenam 77976-67-1 C7H7NO2S
    2-formylmethylenepenam
    —— 2-chloro-1-[(5R,8R,9S,10S,13S,14S,17R)-17-chloro-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-yl]ethanone 209979-68-0 C21H32Cl2O
    2-chloro-1-[(5R,8R,9S,10S,13S,14S,17R)-17-chloro-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-yl]ethanone
    —— 2-(3-(4-chlorophenyl)-6-oxo-5,6-dihydropyridazin-1(4H)-yl) acetohydrazide 142048-44-0 C12H13ClN4O2
    2-(3-(4-chlorophenyl)-6-oxo-5,6-dihydropyridazin-1(4H)-yl) acetohydrazide
    —— 2-((1S,7R)-3,5-Dioxo-4-aza-tricyclo[5.2.1.02,6]dec-8-en-4-yloxycarbonylamino)-3-methyl-pentanoic acid 4-nitro-benzyl ester 102609-48-3 C23H25N3O8
    2-((1S,7R)-3,5-Dioxo-4-aza-tricyclo[5.2.1.02,6]dec-8-en-4-yloxycarbonylamino)-3-methyl-pentanoic acid 4-nitro-benzyl ester
    —— 2-(dipropylamino)-N-(2-methyl-4-oxo-1,4-dihydroquinolin-7-yl)acetamide 1390617-47-6 C18H25N3O2
    2-(dipropylamino)-N-(2-methyl-4-oxo-1,4-dihydroquinolin-7-yl)acetamide
    —— 2-(2-[1-(dimethylamino)1-methylethyl]phenyl)-4,4-diphenyl-1,3,2-dioxaborolane 245677-33-2 C25H28BNO2
    2-(2-[1-(dimethylamino)1-methylethyl]phenyl)-4,4-diphenyl-1,3,2-dioxaborolane
    —— (2-Acetamido-5-bromphenyl)-N-(4-fluorphenyl)glyoxylamid 81964-74-1 C16H12BrFN2O3
    (2-Acetamido-5-bromphenyl)-N-(4-fluorphenyl)glyoxylamid
    —— 2,3,6,7-Tetrakis-heptyloxy-1,5-dihydroxy-anthraquinone 291304-80-8 C42H64O8
    2,3,6,7-Tetrakis-heptyloxy-1,5-dihydroxy-anthraquinone
    —— 2-dichloroiodanyl-phenetole 408326-75-0 C8H9Cl2IO
    2-dichloroiodanyl-phenetole
    —— 2-[1-[(S)-1-((R)-1-Acetylamino-2-phenyl-ethylcarbamoyl)-2-phenyl-ethylamino]-meth-(E)-ylidene]-3-methyl-butyric acid methyl ester 127870-27-3 C26H33N3O4
    2-[1-[(S)-1-((R)-1-Acetylamino-2-phenyl-ethylcarbamoyl)-2-phenyl-ethylamino]-meth-(E)-ylidene]-3-methyl-butyric acid methyl ester
    —— 2-trifluoroacetyloxy-4,5-dimethyl-1,3,2-dioxaphospholane 123434-42-4 C6H8F3O4P
    2-trifluoroacetyloxy-4,5-dimethyl-1,3,2-dioxaphospholane
    —— (2E, 4E)-5-(3,3-dimethyl-7,8-dichloro-2,3-dihydrobenzoxepin-5-yl)-3-methylpenta-2,4-dienoic acid 280585-48-0 C18H18Cl2O3
    (2E, 4E)-5-(3,3-dimethyl-7,8-dichloro-2,3-dihydrobenzoxepin-5-yl)-3-methylpenta-2,4-dienoic acid
    —— 2-(2-((2R)-2-(3-fluorophenylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid 597576-63-1 C17H18FN3O3S2
    2-(2-((2R)-2-(3-fluorophenylaminomethyl)-5-oxopyrrolidin-1-yl)ethylthio)-1,3-thiazole-4-carboxylic acid
    —— 2'-(1-(benzyloxycarbonylamino)ethyl phosphonyl)adenosine ammonium salt 1162655-99-3 C20H25N6O8P*H3N
    2'-(1-(benzyloxycarbonylamino)ethyl phosphonyl)adenosine ammonium salt
    —— 2-deoxy-2-phthalimido-3,4,6-tri-O-acetyl-β-D-glucopyranosyl N-tosyl benzimidate 1393471-68-5 C34H32N2O12S
    2-deoxy-2-phthalimido-3,4,6-tri-O-acetyl-β-D-glucopyranosyl N-tosyl benzimidate
    —— 2-(2-pent-1-ynylphenyl)cyclobutanone 864910-04-3 C15H16O
    2-(2-pent-1-ynylphenyl)cyclobutanone
    —— 2-3'-2''-methoxytetrahydrofur-4''-ylpropionamido-3-hydroxy-2-cyclopenten-1-one 82644-95-9 C13H19NO5
    2-3'-2''-methoxytetrahydrofur-4''-ylpropionamido-3-hydroxy-2-cyclopenten-1-one
    —— 2-trimethylsilyl-1-nonen-3-ol 91899-46-6 C12H26OSi
    2-trimethylsilyl-1-nonen-3-ol
    —— 2-(4-methylphenoxy)-1,3,5-trithiane 81259-17-8 C10H12OS3
    2-(4-methylphenoxy)-1,3,5-trithiane
    —— (2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl)-(1->4)-7-O-acetyl-1,6-anhydro-L-glycero-β-D-manno-heptopyranose 215381-20-7 C43H40O16
    (2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl)-(1->4)-7-O-acetyl-1,6-anhydro-L-glycero-β-D-manno-heptopyranose
    —— 2,5-dimethyl-3-tritylfuran 1628717-95-2 C25H22O
    2,5-dimethyl-3-tritylfuran
    —— 2-((E?)-2-chloro-1-phenyl-propenyl)-benzoic acid amide 101118-73-4 C16H14ClNO
    2-((E?)-2-chloro-1-phenyl-propenyl)-benzoic acid amide
    —— 2-Iod-3,6-dimethoxypyridin-1-oxid 115170-11-1 C7H8INO3
    2-Iod-3,6-dimethoxypyridin-1-oxid
    —— 2,2,2-trichloroethyl ((2R,4aR,6S,7R,8R,8aS)-6-((tert-butyldiphenylsilyl)oxy)-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl)carbamate 1040201-53-3 C32H36Cl3NO7Si
    2,2,2-trichloroethyl ((2R,4aR,6S,7R,8R,8aS)-6-((tert-butyldiphenylsilyl)oxy)-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl)carbamate
    —— (2R,3S)-tert-butyl 2-(3-hydroxypropyl)-3-(methoxymethoxy)pyrrolidine-1-carboxylate 1585999-96-7 C14H27NO5
    (2R,3S)-tert-butyl 2-(3-hydroxypropyl)-3-(methoxymethoxy)pyrrolidine-1-carboxylate