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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-iodo-5-(trifluoromethyl)-1,3,4-oxadiazole 1600360-28-8 C3F3IN2O
    2-iodo-5-(trifluoromethyl)-1,3,4-oxadiazole
    —— 2,2-Dimethyl-propionic acid (1S,3aS,7aS)-4-[(Z)-2-((S)-5-acetoxy-2-methyl-cyclohex-1-enyl)-vinyl]-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-1-yl ester 144102-24-9 C26H38O4
    2,2-Dimethyl-propionic acid (1S,3aS,7aS)-4-[(Z)-2-((S)-5-acetoxy-2-methyl-cyclohex-1-enyl)-vinyl]-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-1-yl ester
    —— 2-[(2-mercaptomethyl-3-phenylpropionyl)amino]-5-chlorobenzoic acid 123984-75-8 C17H16ClNO3S
    2-[(2-mercaptomethyl-3-phenylpropionyl)amino]-5-chlorobenzoic acid
    —— 2-Methylnaphth-1-ylchlorcarbonat 40419-91-8 C12H9ClO2
    2-Methylnaphth-1-ylchlorcarbonat
    —— 2(S)-[N-{2-(2-Morpholinoethylaminocarbonyl)ethyl}-N-methylaminocarbonyloxy]-3-phenylpropionic acid 124074-74-4 C20H29N3O6
    2(S)-[N-{2-(2-Morpholinoethylaminocarbonyl)ethyl}-N-methylaminocarbonyloxy]-3-phenylpropionic acid
    —— 2-((8S,9R,10S,11S,13S,14S,16R,17S)-9-fluoro-11-hydroxy-16,17-dimethoxy-10,13-((1-methylethylidene)bis(oxy))-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 3-(6-(nitrooxy)hexanamido)-propanoate 1046356-89-1 C33H45FN2O11
    2-((8S,9R,10S,11S,13S,14S,16R,17S)-9-fluoro-11-hydroxy-16,17-dimethoxy-10,13-((1-methylethylidene)bis(oxy))-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 3-(6-(nitrooxy)hexanamido)-propanoate
    —— 2-Butyliden-3-triphenylphosphinyliden-bernsteinsaeure-dimethylester 101610-03-1 C28H29O4P
    2-Butyliden-3-triphenylphosphinyliden-bernsteinsaeure-dimethylester
    —— (2R,3R,6R,7R)-7-ethenyl-2,3-diphenyl-6-phenylmethoxy-1,4-dioxocan-5-one 1094451-08-7 C27H26O4
    (2R,3R,6R,7R)-7-ethenyl-2,3-diphenyl-6-phenylmethoxy-1,4-dioxocan-5-one
    —— 2-butyl-3-(4-oxo-5,5-diphenyl-4,5-dihydro-1<i>H</i>-imidazol-2-yl)-isourea 53727-11-0 C20H22N4O2
    2-butyl-3-(4-oxo-5,5-diphenyl-4,5-dihydro-1<i>H</i>-imidazol-2-yl)-isourea
    —— 2-Cyclohexyl-3-methyl-cyclopent-2-en-on 13380-81-9 C12H18O
    2-Cyclohexyl-3-methyl-cyclopent-2-en-on
    —— (2R,3S,6S)-2,6-bisallyl-3-isopropenyl-2,6-dimethylcyclohexanone 1073176-91-6 C17H26O
    (2R,3S,6S)-2,6-bisallyl-3-isopropenyl-2,6-dimethylcyclohexanone
    —— 2-(2-hydroxyethoxy)benzenecarboxamide 4-methylbenzenesulfonate 154824-32-5 C16H17NO5S
    2-(2-hydroxyethoxy)benzenecarboxamide 4-methylbenzenesulfonate
    —— 2-[4-[5-(4-Fluorophenyl)sulfanyl-1-methyl-2-pyridin-2-ylimidazol-4-yl]phenyl]-1,3,4-oxadiazole 1201801-30-0 C23H16FN5OS
    2-[4-[5-(4-Fluorophenyl)sulfanyl-1-methyl-2-pyridin-2-ylimidazol-4-yl]phenyl]-1,3,4-oxadiazole
    —— (2S)-3-[3-amino-4-[3-(diaminomethylideneamino)propoxy]phenyl]-2-[[3-(trifluoromethyl)phenyl]sulfonylamino]propanoic acid 1197191-73-3 C20H24F3N5O5S
    (2S)-3-[3-amino-4-[3-(diaminomethylideneamino)propoxy]phenyl]-2-[[3-(trifluoromethyl)phenyl]sulfonylamino]propanoic acid
    —— 2-Methyl-4,4'-bis-(4-decyloxy-benzylidenamino)-biphenyl 97081-18-0 C47H62N2O2
    2-Methyl-4,4'-bis-(4-decyloxy-benzylidenamino)-biphenyl
    —— 2α-Acetoxy-3β-brom-4.4-dimethyl-5α-cholestan 810-30-0 C31H53BrO2
    2α-Acetoxy-3β-brom-4.4-dimethyl-5α-cholestan
    —— 2-[(R)-1-((S)-2-Aminopropyl)-1,7,8,9-tetrahydro-pyrano[2,3-g]indazol-8-yloxy]-N-hydroxy-acetamide 594872-04-5 C15H20N4O4
    2-[(R)-1-((S)-2-Aminopropyl)-1,7,8,9-tetrahydro-pyrano[2,3-g]indazol-8-yloxy]-N-hydroxy-acetamide
    —— [2-[(2-Phenylacetyl)amino]phenyl] naphthalene-1-carboxylate 132283-16-0 C25H19NO3
    [2-[(2-Phenylacetyl)amino]phenyl] naphthalene-1-carboxylate
    —— 2,8,14,20-Tetrahexyl-5,11,17,23-tetraiodopentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol 1189047-07-1 C52H68I4O8
    2,8,14,20-Tetrahexyl-5,11,17,23-tetraiodopentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol
    —— 2-phenyl-4-(4-tert-butylphenyl)-6-tert-butyl-4H-imidazo[4,5-b]quinoxaline 1207542-02-6 C29H30N4
    2-phenyl-4-(4-tert-butylphenyl)-6-tert-butyl-4H-imidazo[4,5-b]quinoxaline
    —— 2,2-difluorocyclopropane-1-sulfonyl chloride 1935280-15-1 C3H3ClF2O2S
    2,2-difluorocyclopropane-1-sulfonyl chloride
    —— 2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-3-cyclopropyl-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one 944331-74-2 C31H45F2N3O5Si2
    2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-3-cyclopropyl-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one
    —— 2,2-Difluoro-N-(3-fluoro-phenyl)-2-nitro-acetamide 123633-35-2 C8H5F3N2O3
    2,2-Difluoro-N-(3-fluoro-phenyl)-2-nitro-acetamide
    —— 2,2,2-trifluoro-N-(1-(4-(hexyloxy)phenyl)-1-oxopropan-2-yl)acetamide 1048734-78-6 C17H22F3NO3
    2,2,2-trifluoro-N-(1-(4-(hexyloxy)phenyl)-1-oxopropan-2-yl)acetamide
    —— 2,2'-Dinitro-α-butyloxy-α'-dibutyloxyphosphono-dibenzylaether 96004-84-1 C26H37N2O9P
    2,2'-Dinitro-α-butyloxy-α'-dibutyloxyphosphono-dibenzylaether
    —— (2-ethoxy-but-3-enyl)-phosphonic acid diethyl ester 99864-31-0 C10H21O4P
    (2-ethoxy-but-3-enyl)-phosphonic acid diethyl ester
    —— 2-<N,N'-Bis(ethoxycarbonyl)hydrazino>dithioessigsaeure-ethylester 142133-81-1 C10H18N2O4S2
    2-<N,N'-Bis(ethoxycarbonyl)hydrazino>dithioessigsaeure-ethylester
    —— 2-[[6-chloro-2-[(6-nitro-1H-benzimidazol-2-yl)sulfanyl]-2,3-dihydroinden-1-ylidene]amino]guanidine;hydrochloride 1187059-03-5 C17H14ClN7O2S*ClH
    2-[[6-chloro-2-[(6-nitro-1H-benzimidazol-2-yl)sulfanyl]-2,3-dihydroinden-1-ylidene]amino]guanidine;hydrochloride
    —— 2,2,2-trifluoroethyl 2-[(1S,4R)-4-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopent-2-en-1-yl]acetate 1269432-70-3 C14H20F3NO4
    2,2,2-trifluoroethyl 2-[(1S,4R)-4-[(2-methylpropan-2-yl)oxycarbonylamino]cyclopent-2-en-1-yl]acetate
    —— 2-(2-formylbenzyl)-1,4-dimethoxy-3,5-dimethylbenzene 109243-52-9 C18H20O3
    2-(2-formylbenzyl)-1,4-dimethoxy-3,5-dimethylbenzene
    —— 2-(4-methoxyphenyl)-4-morpholinobutan-2-ol 1346016-42-9 C15H23NO3
    2-(4-methoxyphenyl)-4-morpholinobutan-2-ol
    —— 2α-<2-hydroxybenzyl>-3α-(mesyloxy)-5α-cholestane 157918-86-0 C35H56O4S
    2α-<2-hydroxybenzyl>-3α-(mesyloxy)-5α-cholestane
    —— 2-[2-amino-2-oxo-1-[4-(trifluoromethyl)pyrimidin-2-yl]ethylidene]-N-ethyl-N-(3-morpholin-4-ylpropyl)-1,3-dihydrobenzimidazole-5-carboxamide 1219482-52-6 C24H28F3N7O3
    2-[2-amino-2-oxo-1-[4-(trifluoromethyl)pyrimidin-2-yl]ethylidene]-N-ethyl-N-(3-morpholin-4-ylpropyl)-1,3-dihydrobenzimidazole-5-carboxamide
    —— 2-amino-4-pivaloylamino-1-nitrobenzene 945535-03-5 C11H15N3O3
    2-amino-4-pivaloylamino-1-nitrobenzene
    —— (2S,5S)-6-Azido-5-benzyloxy-2-tert-butoxycarbonylamino-hexanoic acid 144090-63-1 C18H26N4O5
    (2S,5S)-6-Azido-5-benzyloxy-2-tert-butoxycarbonylamino-hexanoic acid
    —— 2-<1-(2-Acetyl-1,2,3,4-tetrahydroisoquinolinyl)acetyl>-4,4-dimethyl-2-buten-4-olide 96488-22-1 C19H21NO4
    2-<1-(2-Acetyl-1,2,3,4-tetrahydroisoquinolinyl)acetyl>-4,4-dimethyl-2-buten-4-olide
    —— 2-Dimethylamino-N-(9-oxo-9H-fluoren-1-yl)-propionamide 32374-40-6 C18H18N2O2
    2-Dimethylamino-N-(9-oxo-9H-fluoren-1-yl)-propionamide
    —— (2-(2,4-Dichloro-phenyl)-1-{[1-phenyl-meth-(E)-ylidene]-amino}-ethyl)-phosphonic acid diethyl ester 130828-89-6 C19H22Cl2NO3P
    (2-(2,4-Dichloro-phenyl)-1-{[1-phenyl-meth-(E)-ylidene]-amino}-ethyl)-phosphonic acid diethyl ester
    —— 2-Chloro-1,2,5-trideoxy-1,5-(hexylimino)-D-glucitol 172936-22-0 C12H24ClNO3
    2-Chloro-1,2,5-trideoxy-1,5-(hexylimino)-D-glucitol
    —— 2-[1-(4-chloro-phenyl)-1,4,6,7-tetrahydro-imidazo[4,5-c]pyridin-5-yl]-6,7-dimethoxy-3H-quinazolin-4-one 441065-16-3 C22H20ClN5O3
    2-[1-(4-chloro-phenyl)-1,4,6,7-tetrahydro-imidazo[4,5-c]pyridin-5-yl]-6,7-dimethoxy-3H-quinazolin-4-one
    —— 2,2-di(3-methylphenylmethyl)malononitrile 1373356-93-4 C19H18N2
    2,2-di(3-methylphenylmethyl)malononitrile
    —— 2-Amino-4-[4-fluorophenyl]-5-[(2'-aminosulfonyl-[1,1']-biphen-4-yl)aminocarbonyl]thiazole 1026798-61-7 C22H17FN4O3S2
    2-Amino-4-[4-fluorophenyl]-5-[(2'-aminosulfonyl-[1,1']-biphen-4-yl)aminocarbonyl]thiazole
    —— 2-Chlor-5-sulfamoyl-4-(4-tolyloxy)-benzolsulfosaeure-p-kresylester 69156-21-4 C20H18ClNO6S2
    2-Chlor-5-sulfamoyl-4-(4-tolyloxy)-benzolsulfosaeure-p-kresylester
    —— 2-[(3,5-dichloro-6-methyl)-2-pyridyloxy]-propionic acid cyclohexyl ester 65110-47-6 C15H19Cl2NO3
    2-[(3,5-dichloro-6-methyl)-2-pyridyloxy]-propionic acid cyclohexyl ester
    —— 2-Piperidinemethanamine, N-cyclohexyl-N-ethyl-, hydrochloride (1:2) 1220021-48-6 C14H29ClN2
    2-Piperidinemethanamine, N-cyclohexyl-N-ethyl-, hydrochloride (1:2)
    —— 2-[(2-chloro-4,5-difluorophenyl)oxy]-2-methyl-N-{8-[4-(methylsulfonyl)phenyl]-8-azabicyclo[3.2.1]oct-3-endo-yl}propanamide 1187624-31-2 C24H27ClF2N2O4S
    2-[(2-chloro-4,5-difluorophenyl)oxy]-2-methyl-N-{8-[4-(methylsulfonyl)phenyl]-8-azabicyclo[3.2.1]oct-3-endo-yl}propanamide
    —— 2,3-O-isopropylidene-1-O-hexyl-5,6-dideoxy-5-azido-β-L-5-gulofuranoside 1102075-37-5 C15H27N3O4
    2,3-O-isopropylidene-1-O-hexyl-5,6-dideoxy-5-azido-β-L-5-gulofuranoside
    —— 2-(p-Chlorphenoxymethyl)-3-(2-diethylaminoethyl)-7-chlor-4(3H)-chinazolin 70847-68-6 C21H23Cl2N3O2
    2-(p-Chlorphenoxymethyl)-3-(2-diethylaminoethyl)-7-chlor-4(3H)-chinazolin
    —— (2R,4R)-1-Allyloxycarbonyl-2-[2-{4-(2-carbamoylethenyl) imidazol-1-yl}ethyl]-4-methanesulfonyloxypyrrolidine 156442-56-7 C17H24N4O6S
    (2R,4R)-1-Allyloxycarbonyl-2-[2-{4-(2-carbamoylethenyl) imidazol-1-yl}ethyl]-4-methanesulfonyloxypyrrolidine
    —— 2-methoxycarbonylamino-benzoimidazole-1-carboximidic acid 2,2,2-trifluoro-ethyl ester 56067-04-0 C12H11F3N4O3
    2-methoxycarbonylamino-benzoimidazole-1-carboximidic acid 2,2,2-trifluoro-ethyl ester