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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-<α-(Cyclohexyl)-phenylacetylamino)-4,5-dichlor-benzolsulfonamid 96972-51-9 C20H22Cl2N2O3S
    2-<α-(Cyclohexyl)-phenylacetylamino)-4,5-dichlor-benzolsulfonamid
    —— 2,5-dihydro-2-phenylpyrazolo<3',4':5,6>thiopyrano<3,4-c>pyridin-6-ium-3-olate 94015-27-7 C15H11N3OS
    2,5-dihydro-2-phenylpyrazolo<3',4':5,6>thiopyrano<3,4-c>pyridin-6-ium-3-olate
    —— 2,2,4,4-Tetrachloro-6-isopropoxy-2λ5,4λ5,6λ5-[1,3,5,2,4,6]triazatriphosphinine 91575-14-3 C3H8Cl4N3OP3
    2,2,4,4-Tetrachloro-6-isopropoxy-2λ5,4λ5,6λ5-[1,3,5,2,4,6]triazatriphosphinine
    —— 2-((1-(2-((9-(diethylamino)-5-oxo-5H-benzo[a]phenoxazin-2-yl)oxy)ethyl)-1H-1,2,3-triazol-4-yl)methyl)-3',6'-bis(ethylamino)-2',7'-dimethylspiro[isoindoline-1,9'-xanthen]-3-one 1315483-40-9 C51H50N8O5
    2-((1-(2-((9-(diethylamino)-5-oxo-5H-benzo[a]phenoxazin-2-yl)oxy)ethyl)-1H-1,2,3-triazol-4-yl)methyl)-3',6'-bis(ethylamino)-2',7'-dimethylspiro[isoindoline-1,9'-xanthen]-3-one
    —— 2,3-dicyano-5-phenyl-7-(2-(4-methoxyphenyl)vinyl-1-yl)-6H-1,4-diazepine 371923-70-5 C22H16N4O
    2,3-dicyano-5-phenyl-7-(2-(4-methoxyphenyl)vinyl-1-yl)-6H-1,4-diazepine
    —— (2S,8S)-2-(1,3-benzodioxol-5-yl)-6-benzyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione 1224844-88-5 C28H23N3O4
    (2S,8S)-2-(1,3-benzodioxol-5-yl)-6-benzyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione
    —— (2E)-3-(5-{[(1R)-1-{[benzyl(methyl)amino]methyl}-3-phenylpropyl]amino}pyrazin-2-yl)-N-hydroxyacrylamide 1035218-02-0 C25H29N5O2
    (2E)-3-(5-{[(1R)-1-{[benzyl(methyl)amino]methyl}-3-phenylpropyl]amino}pyrazin-2-yl)-N-hydroxyacrylamide
    —— (2S,4S,5S)-5-Amino-4-hydroxy-2-isopropyl-7-methyl-octanoic acid {(1S,2S)-1-[(S)-1-carbamoyl-2-(1H-imidazol-4-yl)-ethylcarbamoyl]-2-methyl-butyl}-amide 102522-16-7 C24H44N6O4
    (2S,4S,5S)-5-Amino-4-hydroxy-2-isopropyl-7-methyl-octanoic acid {(1S,2S)-1-[(S)-1-carbamoyl-2-(1H-imidazol-4-yl)-ethylcarbamoyl]-2-methyl-butyl}-amide
    —— 2-<4,12-dimethyl-8-(trifluoromethyl)tridecyl>-2,5,8-trimethyl-6-chromanol acetate 171567-09-2 C30H47F3O3
    2-<4,12-dimethyl-8-(trifluoromethyl)tridecyl>-2,5,8-trimethyl-6-chromanol acetate
    —— 2-cyano-3-(4-fluorophenyl)-6,6-dimethyl-4-oxo-2,3,4,5,6,7-hexahydrobenzofuran-2-carboxamide 1610831-54-3 C18H17FN2O3
    2-cyano-3-(4-fluorophenyl)-6,6-dimethyl-4-oxo-2,3,4,5,6,7-hexahydrobenzofuran-2-carboxamide
    —— 2-(1-Azido-cycloheptyl)-benzo[b]thiophene 147299-12-5 C15H17N3S
    2-(1-Azido-cycloheptyl)-benzo[b]thiophene
    —— 25,27-bis[diphenylphosphinomethoxy]-26,28-dimetoxy-calix[4]arene 1452394-12-5 C56H50O4P2
    25,27-bis[diphenylphosphinomethoxy]-26,28-dimetoxy-calix[4]arene
    —— 2-{3-[(N-{3-[4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]propyl}-2-{dimethylamino}acetamido)methyl]phenoxy}-2-methylpropanoic acid 1310698-35-1 C31H40N6O5
    2-{3-[(N-{3-[4-amino-2-(2-methoxyethyl)-1H-imidazo[4,5-c]quinolin-1-yl]propyl}-2-{dimethylamino}acetamido)methyl]phenoxy}-2-methylpropanoic acid
    —— 2.4-Dihydroxy-6-<4-methyl-phenoxy>-s-triazin 7539-66-4 C10H9N3O3
    2.4-Dihydroxy-6-<4-methyl-phenoxy>-s-triazin
    —— 2-Chloro-6-benzoyl-7,8-dihydrophenanthridine 107209-62-1 C20H14ClNO
    2-Chloro-6-benzoyl-7,8-dihydrophenanthridine
    —— 2-butynylidenetriphenylphosphorane 80625-87-2 C22H19P
    2-butynylidenetriphenylphosphorane
    —— 2-(methylthio)spiro[indeno[2',1':5,6]pyrido[2,3-d]pyrimidine-5,3'-indoline]-2',4,6(3H,11H)-trione 1258795-80-0 C22H14N4O3S
    2-(methylthio)spiro[indeno[2',1':5,6]pyrido[2,3-d]pyrimidine-5,3'-indoline]-2',4,6(3H,11H)-trione
    —— 2-diphenylphosphanyl-4-methylphenyl diphenylphosphinate 1202179-32-5 C31H26O2P2
    2-diphenylphosphanyl-4-methylphenyl diphenylphosphinate
    —— 2,3-difluoro-4-(trans-4-(trans-4-vinylcyclohexyl)cyclohexyl)methoxyphenol 910304-32-4 C21H28F2O2
    2,3-difluoro-4-(trans-4-(trans-4-vinylcyclohexyl)cyclohexyl)methoxyphenol
    —— [2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-acetonitrile 864427-30-5 C13H10F3N3O
    [2-methyl-5-(4-trifluoromethoxy-phenyl)-2H-pyrazol-3-yl]-acetonitrile
    —— (2S,3R,4R)-hept-6-yne-2,3,4-triol 1197419-53-6 C7H12O3
    (2S,3R,4R)-hept-6-yne-2,3,4-triol
    —— 2-Oxo-17β-acetoxy-19-methansulfonyloxy-1β,5β-cyclo-10α-androstan 18900-74-8 C22H32O6S
    2-Oxo-17β-acetoxy-19-methansulfonyloxy-1β,5β-cyclo-10α-androstan
    —— 2-cyclopropyl-6-(3-nitrophenyl)-5-thiocyanatoimidazo[2,1-b][1,3,4]thiadiazole 1335016-84-6 C14H9N5O2S2
    2-cyclopropyl-6-(3-nitrophenyl)-5-thiocyanatoimidazo[2,1-b][1,3,4]thiadiazole
    —— (2E,4S,5S,7S,8Z,10S,11R,12R,14R)-11-(4-methoxybenzyloxy)-5,15-bis(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethyl-1-(trityloxy)pentadeca-2,8-dien-7-ol 871236-72-5 C58H86O6Si2
    (2E,4S,5S,7S,8Z,10S,11R,12R,14R)-11-(4-methoxybenzyloxy)-5,15-bis(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethyl-1-(trityloxy)pentadeca-2,8-dien-7-ol
    —— 2-cyclohexenylpyridine N-oxide 1403954-64-2 C11H13NO
    2-cyclohexenylpyridine N-oxide
    —— (2S,4R)-4-((E)-3-((((4−2-azidoethoxy)ethoxy)ethoxy)-ethoxy-3-methoxybenzyl)-acrylamido)proline methyl ester trifluoroacetate 1437306-69-8 C2HF3O2*C24H35N5O8
    (2S,4R)-4-((E)-3-((((4−2-azidoethoxy)ethoxy)ethoxy)-ethoxy-3-methoxybenzyl)-acrylamido)proline methyl ester trifluoroacetate
    —— 2-Butylarsanyl-butyric acid 64581-71-1 C8H17AsO2
    2-Butylarsanyl-butyric acid
    —— (2R,4aR,6R,7S,8S,8aR)-7,8-dimethoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-6-yl trifluoromethanesulfonate 197631-78-0 C16H19F3O8S
    (2R,4aR,6R,7S,8S,8aR)-7,8-dimethoxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-6-yl trifluoromethanesulfonate
    —— 2-Methyl-acrylic acid 3-carbamimidoylsulfanyl-2-hydroxy-propyl ester; compound with toluene-4-sulfonic acid 59289-19-9 C7H8O3S*C8H14N2O3S
    2-Methyl-acrylic acid 3-carbamimidoylsulfanyl-2-hydroxy-propyl ester; compound with toluene-4-sulfonic acid
    —— 2-chloro-<i>N</i>-[1-(3,4-dimethoxy-phenyl)-propyl]-propionamide 40023-49-2 C14H20ClNO3
    2-chloro-<i>N</i>-[1-(3,4-dimethoxy-phenyl)-propyl]-propionamide
    —— 2-benzo[1,3]dioxol-5-yl-5,7-dihydroxy-6-methoxy-chromen-4-one 56674-03-4 C17H12O7
    2-benzo[1,3]dioxol-5-yl-5,7-dihydroxy-6-methoxy-chromen-4-one
    —— 2-((E)-4-Methyl-octadec-4-enyloxy)-tetrahydro-pyran 59404-50-1 C24H46O2
    2-((E)-4-Methyl-octadec-4-enyloxy)-tetrahydro-pyran
    —— 2-Undecanoyloxy-2'-nonanoyloxy-diethylether 58964-54-8 C24H46O5
    2-Undecanoyloxy-2'-nonanoyloxy-diethylether
    —— 2,4,6,8-Tetrakis-(2,2-diphenyl-ethyl)-[1,3,5,7,2,4,6,8]tetroxatetrasilocane-2,4,6,8-tetraol 57522-94-8 C56H56O8Si4
    2,4,6,8-Tetrakis-(2,2-diphenyl-ethyl)-[1,3,5,7,2,4,6,8]tetroxatetrasilocane-2,4,6,8-tetraol
    —— 2-{2,5-Diacetoxy-4-[1-carboxy-2-(4-hydroxy-phenyl)-ethylamino]-phenylamino}-3-(4-hydroxy-phenyl)-propionic acid 68562-00-5 C28H28N2O10
    2-{2,5-Diacetoxy-4-[1-carboxy-2-(4-hydroxy-phenyl)-ethylamino]-phenylamino}-3-(4-hydroxy-phenyl)-propionic acid
    —— 2-(3-methoxybenzylthio)-4-methoxycarbonyl-Δ<sup>2</sup>-1,3-thiazoline 117389-68-1 C13H15NO3S2
    2-(3-methoxybenzylthio)-4-methoxycarbonyl-Δ<sup>2</sup>-1,3-thiazoline
    —— 2-methylenebicyclo<3.2.2>nonan-1-ol 137495-04-6 C10H16O
    2-methylenebicyclo<3.2.2>nonan-1-ol
    —— 2-(5-benzyl-3-phenyl-4,5-dihydro-isoxazol-5-yl)-1-phenyl-ethanone oxime 39588-82-4 C24H22N2O2
    2-(5-benzyl-3-phenyl-4,5-dihydro-isoxazol-5-yl)-1-phenyl-ethanone oxime
    —— (2-methylenecyclopropane-1-d)acetaldehyde 139495-63-9 C6H8O
    (2-methylenecyclopropane-1-d)acetaldehyde
    —— [2-(3,4-Dimethoxy-phenyl)-ethyl]-[1-furan-2-yl-meth-(E)-ylidene]-amine 77960-36-2 C15H17NO3
    [2-(3,4-Dimethoxy-phenyl)-ethyl]-[1-furan-2-yl-meth-(E)-ylidene]-amine
    —— 2-acetyl-4-ethoxy-butyraldehyde 857620-00-9 C8H14O3
    2-acetyl-4-ethoxy-butyraldehyde
    —— [(2S,4R,5S,6R)-6-(3-Amino-propoxymethyl)-4-benzyloxy-5-methoxy-tetrahydro-pyran-2-yloxy]-acetic acid 193360-33-7 C19H29NO7
    [(2S,4R,5S,6R)-6-(3-Amino-propoxymethyl)-4-benzyloxy-5-methoxy-tetrahydro-pyran-2-yloxy]-acetic acid
    —— 2,2-dimethyl-3-{2-oxo-2-[9-(2,4,5-trifluorobenzyl)-5,6,8,9-tetrahydro-7H-pyrido[4',3':4,5]pyrrolo[2,3-b]pyridin-7-yl]ethoxy}propanoic acid 1354803-42-1 C24H24F3N3O4
    2,2-dimethyl-3-{2-oxo-2-[9-(2,4,5-trifluorobenzyl)-5,6,8,9-tetrahydro-7H-pyrido[4',3':4,5]pyrrolo[2,3-b]pyridin-7-yl]ethoxy}propanoic acid
    —— 2-(2-((4-methylbenzoyl)imino)-6-(trifluoromethyl)benzo[d]thiazol-3(2H)-yl)propionic acid 1428622-62-1 C19H15F3N2O3S
    2-(2-((4-methylbenzoyl)imino)-6-(trifluoromethyl)benzo[d]thiazol-3(2H)-yl)propionic acid
    —— 2-Chloroacetic acid;imidazole-1-carbonitrile 1043452-91-0 C2H3ClO2*C4H3N3
    2-Chloroacetic acid;imidazole-1-carbonitrile
    —— 2-tert-Butyloxy-3-bromtetrahydrofuran 33691-64-4 C8H15BrO2
    2-tert-Butyloxy-3-bromtetrahydrofuran
    —— 2-(benzoyloxyisoquinol-1-ylmethyl)benzoate 77632-08-7 C26H21NO4
    2-(benzoyloxyisoquinol-1-ylmethyl)benzoate
    —— 2-(2-methyl-5-oxo-tetrahydro-furan-2-yl)-butyric acid ethyl ester 93306-12-8 C11H18O4
    2-(2-methyl-5-oxo-tetrahydro-furan-2-yl)-butyric acid ethyl ester
    —— (2S,3R,3aR,8bS)-2-methyl-1-((4-nitrophenyl)sulfonyl)-1,2,3,3a,4,8b-hexahydroindeno[1,2-b]pyrrole-3-carbaldehyde 1385878-23-8 C19H18N2O5S
    (2S,3R,3aR,8bS)-2-methyl-1-((4-nitrophenyl)sulfonyl)-1,2,3,3a,4,8b-hexahydroindeno[1,2-b]pyrrole-3-carbaldehyde
    —— (2R,3R)-5,7-bis(benzyloxy)-2-[3,4-bis(benzyloxy)phenyl]-3,4-dihydro-2H-1-benzopyran-3-yl 3,4-bis(benzyloxy)-5-methoxybenzoate 901125-28-8 C65H56O10
    (2R,3R)-5,7-bis(benzyloxy)-2-[3,4-bis(benzyloxy)phenyl]-3,4-dihydro-2H-1-benzopyran-3-yl 3,4-bis(benzyloxy)-5-methoxybenzoate