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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-(1-Hydroxy-cyclopentyl)-isobutyramide 14301-02-1 C9H17NO2
    2-(1-Hydroxy-cyclopentyl)-isobutyramide
    —— 2,2-Difluoro-2-(6-methylpyridin-3-yl)ethan-1-ol 2228419-08-5 C8H9F2NO
    2,2-Difluoro-2-(6-methylpyridin-3-yl)ethan-1-ol
    —— {[2-(4-Methoxy-phenyl)-ethylcarbamoyl]-methyl}-{[2-(3-methoxy-phenyl)-ethylcarbamoyl]-methyl}-carbamic acid tert-butyl ester 211745-27-6 C27H37N3O6
    {[2-(4-Methoxy-phenyl)-ethylcarbamoyl]-methyl}-{[2-(3-methoxy-phenyl)-ethylcarbamoyl]-methyl}-carbamic acid tert-butyl ester
    —— 2,2'-anhydro-1-(3,5-diacetoxy-β-D-arabinofuranosyl)-2-thio-5,6-dihydrouracil 97327-42-9 C13H16N2O6S
    2,2'-anhydro-1-(3,5-diacetoxy-β-D-arabinofuranosyl)-2-thio-5,6-dihydrouracil
    —— (2-Oxo-4,4-pentamethylen-cyclopentyl)-(2-oxo-4,4-pentamethylen-1-carboxy-cyclopentyl)-keton 22704-14-9 C22H30O5
    (2-Oxo-4,4-pentamethylen-cyclopentyl)-(2-oxo-4,4-pentamethylen-1-carboxy-cyclopentyl)-keton
    —— 2,3,4-Trimethyl-5-hydroxybenzoic acid 20804-97-1 C10H12O3
    2,3,4-Trimethyl-5-hydroxybenzoic acid
    —— 2,4-Dimethyl-2-(1-acetoxy-ethyl)-Δ<sup>3</sup>-cyclopentenon-(1) 91352-31-7 C11H16O3
    2,4-Dimethyl-2-(1-acetoxy-ethyl)-Δ<sup>3</sup>-cyclopentenon-(1)
    —— 2-N-methyl-2-N-phenyl-6-[5-(6-{[(2,2,2-trifluoroethyl)sulfanyl]methyl}pyridin-3-yl)-1,2,4-oxadiazol-3-yl]-1,3,5-triazine-2,4-diamine 1366661-05-3 C20H17F3N8OS
    2-N-methyl-2-N-phenyl-6-[5-(6-{[(2,2,2-trifluoroethyl)sulfanyl]methyl}pyridin-3-yl)-1,2,4-oxadiazol-3-yl]-1,3,5-triazine-2,4-diamine
    —— (2S,6R)-2-Methyl-6-{(E)-2-[(3S,3aS,6R,7aS)-3-methyl-1-oxo-6-(4-oxo-butyl)-1,3,3a,6,7,7a-hexahydro-isobenzofuran-4-yl]-vinyl}-piperidine-1-carboxylic acid tert-butyl ester 618437-75-5 C26H39NO5
    (2S,6R)-2-Methyl-6-{(E)-2-[(3S,3aS,6R,7aS)-3-methyl-1-oxo-6-(4-oxo-butyl)-1,3,3a,6,7,7a-hexahydro-isobenzofuran-4-yl]-vinyl}-piperidine-1-carboxylic acid tert-butyl ester
    —— 2-(4-methylpyridin-3-yl)-7-(phenylamino)-3,4-dihydroisoquinolin-1(2H)-one 1365760-66-2 C21H19N3O
    2-(4-methylpyridin-3-yl)-7-(phenylamino)-3,4-dihydroisoquinolin-1(2H)-one
    —— 2-(4-sulfo-benzoyl)-benzoic acid 118-06-9 C14H10O6S
    2-(4-sulfo-benzoyl)-benzoic acid
    —— 2-(4-bromophenoxy)-2-methylpropan-1-ol 186498-12-4 C10H13BrO2
    2-(4-bromophenoxy)-2-methylpropan-1-ol
    —— 2-(2,3-Dihydro-2-oxo-1H-benzimidazol-1-yl)ethyl 4-(Diphenylmethyl)-1-piperazinecarboxylate 120311-88-8 C27H28N4O3
    2-(2,3-Dihydro-2-oxo-1H-benzimidazol-1-yl)ethyl 4-(Diphenylmethyl)-1-piperazinecarboxylate
    —— 2-{2-[4-(4-chloro-benzhydryl)-piperazino]-ethylamino}-ethanol 103507-29-5 C21H28ClN3O
    2-{2-[4-(4-chloro-benzhydryl)-piperazino]-ethylamino}-ethanol
    —— 25-[N-(3-amino)propyl(aminocarbonyl)methoxy]-5,11,17,23-tetrakis(1,1-dimethylethyl)-26,27,28-tris[(ethoxycarbonyl)methoxy]calix[4]arene 213178-49-5 C61H84N2O11
    25-[N-(3-amino)propyl(aminocarbonyl)methoxy]-5,11,17,23-tetrakis(1,1-dimethylethyl)-26,27,28-tris[(ethoxycarbonyl)methoxy]calix[4]arene
    —— (2E,23E)-11,15,31,35-Tetraoxapentacyclo[34.4.0.05,10.016,21.025,30]tetraconta-1(40),2,5,7,9,16,18,20,23,25,27,29,36,38-tetradecaene-4,22-dione 1422165-93-2 C36H32O6
    (2E,23E)-11,15,31,35-Tetraoxapentacyclo[34.4.0.05,10.016,21.025,30]tetraconta-1(40),2,5,7,9,16,18,20,23,25,27,29,36,38-tetradecaene-4,22-dione
    —— 2-[1,3]Dithiolan-2-yl-3-(2-fluoro-phenyl)-3-oxo-propionic acid ethyl ester 120809-28-1 C14H15FO3S2
    2-[1,3]Dithiolan-2-yl-3-(2-fluoro-phenyl)-3-oxo-propionic acid ethyl ester
    —— 2-(7-nitro-benzo[1,2,5]thiadiazol-4-yl)-<i>N</i>-phenyl-acetamide 92061-28-4 C14H10N4O3S
    2-(7-nitro-benzo[1,2,5]thiadiazol-4-yl)-<i>N</i>-phenyl-acetamide
    —— 2-nitro-benzenesulfonic acid-(trichlorophosphoranyliden-amide) 100606-64-2 C6H4Cl3N2O4PS
    2-nitro-benzenesulfonic acid-(trichlorophosphoranyliden-amide)
    —— 2-(methyl-13C)but-2-ene-1,2,3,4-13C4 705947-86-0 C5H10
    2-(methyl-13C)but-2-ene-1,2,3,4-13C4
    —— 2-(1-((4-(((tert-butoxycarbonyl)amino)methyl)phenyl)carbamoyl)-4-oxoazetidin-2-yl)acetic acid 1620568-13-9 C18H23N3O6
    2-(1-((4-(((tert-butoxycarbonyl)amino)methyl)phenyl)carbamoyl)-4-oxoazetidin-2-yl)acetic acid
    —— (2R,6S)-8-methoxy-3,4,5,6-tetrahydro-2H-2,6-methanonaphtho[1,2-b]oxocin-2-ol 1414851-74-3 C17H18O3
    (2R,6S)-8-methoxy-3,4,5,6-tetrahydro-2H-2,6-methanonaphtho[1,2-b]oxocin-2-ol
    —— 2-chloro-4-ethoxy-N-(6-methoxybenzo[d]thiazol-2-ylcarbamoyl)-5-morpholinobenzamide 1394242-88-6 C22H23ClN4O5S
    2-chloro-4-ethoxy-N-(6-methoxybenzo[d]thiazol-2-ylcarbamoyl)-5-morpholinobenzamide
    —— 2-(2-anilino-vinyl)-3-ethyl-5-naphthalen-2-yl-oxazolium; toluene-4-sulfonate 6770-27-0 C7H7O3S*C23H21N2O
    2-(2-anilino-vinyl)-3-ethyl-5-naphthalen-2-yl-oxazolium; toluene-4-sulfonate
    —— (2S,6R)-2-Methyl-6-((3S,5R,6R,8S,9S,10R,13R,14S,17R)-3,5,6-triacetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-heptanoic acid 103216-12-2 C33H52O8
    (2S,6R)-2-Methyl-6-((3S,5R,6R,8S,9S,10R,13R,14S,17R)-3,5,6-triacetoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-heptanoic acid
    —— 2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-1-naphthylmethyl thiohydroximate 340960-74-9 C26H29NO10S
    2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-1-naphthylmethyl thiohydroximate
    —— 2-(2-chloro-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)phenyl)acetamide 1364673-94-8 C42H42ClNO6
    2-(2-chloro-5-((2S,3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)phenyl)acetamide
    —— [(2S,3S,4S,6R)-3-benzoyloxy-6-[[(2R,4S,5E,7S,8S)-7,8-diacetyloxy-2-methyl-10-oxo-2,3,4,7,8,9-hexahydrooxecin-4-yl]oxy]-2-methyloxan-4-yl] benzoate 1020071-84-4 C34H38O12
    [(2S,3S,4S,6R)-3-benzoyloxy-6-[[(2R,4S,5E,7S,8S)-7,8-diacetyloxy-2-methyl-10-oxo-2,3,4,7,8,9-hexahydrooxecin-4-yl]oxy]-2-methyloxan-4-yl] benzoate
    —— 2-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)-propane-1,3-diol 27580-86-5 C18H20O2
    2-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)-propane-1,3-diol
    —— 2-amino-5-(aminocarbonyl)-7-<(2-(benzyloxy)ethoxy)methoxy>pyrrolo<2,3-d>pyrimidin-4-one 127945-52-2 C17H19N5O4
    2-amino-5-(aminocarbonyl)-7-<(2-(benzyloxy)ethoxy)methoxy>pyrrolo<2,3-d>pyrimidin-4-one
    —— (2R,6S)-4-hydroxy-5,8-dioxo-1,4-diazabicyclo[4.2.0]octane-2-carboxylic acid 1558079-10-9 C7H8N2O5
    (2R,6S)-4-hydroxy-5,8-dioxo-1,4-diazabicyclo[4.2.0]octane-2-carboxylic acid
    —— 2'-Deoxy-8-(6-phenylhexylamino)adenosine 402724-98-5 C22H30N6O3
    2'-Deoxy-8-(6-phenylhexylamino)adenosine
    —— 2-methyl-5,7-difluoro-4-azafluorenone 114995-40-3 C13H7F2NO
    2-methyl-5,7-difluoro-4-azafluorenone
    —— 2-[1-(3,5-Di-tert-butyl-phenyl)-meth-(E)-ylidene]-7-(2-dimethylamino-acridin-9-yl)-3,4-dihydro-2H-naphthalen-1-one 118656-17-0 C40H42N2O
    2-[1-(3,5-Di-tert-butyl-phenyl)-meth-(E)-ylidene]-7-(2-dimethylamino-acridin-9-yl)-3,4-dihydro-2H-naphthalen-1-one
    —— (2-(1')Z,2'Z,4'E)-1,1-Dimethyl-2-<5'-(diphenylphosphinoyl)-3',6',6'-trimethyl-2',4'-heptadienylidene>-3-methylcyclohexane 119322-83-7 C31H39OP
    (2-(1')Z,2'Z,4'E)-1,1-Dimethyl-2-<5'-(diphenylphosphinoyl)-3',6',6'-trimethyl-2',4'-heptadienylidene>-3-methylcyclohexane
    —— 2-(tert-butyldimethylsilanyloxy)-1-prop-2-ynylcyclohept-2-enecarboxylic acid methyl ester 1187777-42-9 C18H30O3Si
    2-(tert-butyldimethylsilanyloxy)-1-prop-2-ynylcyclohept-2-enecarboxylic acid methyl ester
    —— (2E,4E,6E,8R,9R,10R,11S,12R,13S,14E)-2-(trimethylsilyl)ethyl 17-(tert-butyldiphenylsilyloxy)-9-methoxy-8,10,12,14-tetramethyl-11,13-bis(triethylsilyloxy)heptadeca-2,4,6,14-tetraenoate 1187630-48-3 C55H94O6Si4
    (2E,4E,6E,8R,9R,10R,11S,12R,13S,14E)-2-(trimethylsilyl)ethyl 17-(tert-butyldiphenylsilyloxy)-9-methoxy-8,10,12,14-tetramethyl-11,13-bis(triethylsilyloxy)heptadeca-2,4,6,14-tetraenoate
    —— 2-nitro-5-(1<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-[1,3,4]thiadiazole 56951-45-2 C4H2N6O2S2
    2-nitro-5-(1<i>H</i>-[1,2,4]triazol-3-ylsulfanyl)-[1,3,4]thiadiazole
    —— 2-methyl-4-(3-bromophenyl)-4H-pyrimido[2,1-b][1,3]benzothiazole-1-ethanone 1619231-85-4 C19H15BrN2OS
    2-methyl-4-(3-bromophenyl)-4H-pyrimido[2,1-b][1,3]benzothiazole-1-ethanone
    —— 2-(6-chlorobenzo[d][1,3]dioxol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1431163-02-8 C13H16BClO4
    2-(6-chlorobenzo[d][1,3]dioxol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— 2-benzoyl-1-cyano-8-isopropyl-1,2-dihydroisoquinoline 863290-45-3 C20H18N2O
    2-benzoyl-1-cyano-8-isopropyl-1,2-dihydroisoquinoline
    —— (2R,4R,5S,25S)-3-Benzyl-6-oxo-7,19-dioxa-3-aza-tricyclo[18.3.1.1<sup>2,5</sup>]pentacosa-1(23),20(24),21-triene-4,25-dicarboxylic acid dimethyl ester 108781-89-1 C33H43NO7
    (2R,4R,5S,25S)-3-Benzyl-6-oxo-7,19-dioxa-3-aza-tricyclo[18.3.1.1<sup>2,5</sup>]pentacosa-1(23),20(24),21-triene-4,25-dicarboxylic acid dimethyl ester
    —— [(2-tertbutoxycarbonylamino-ethyl)-{2-[(10H-indolo[3,2-b]quinoline-11-carbonyl)-amino]-acetyl}-amino]-acetic acid 1029684-12-5 C27H29N5O6
    [(2-tertbutoxycarbonylamino-ethyl)-{2-[(10H-indolo[3,2-b]quinoline-11-carbonyl)-amino]-acetyl}-amino]-acetic acid
    —— 2'-O-acetyl-10,11-didehydro-11-deoxy-3-O-descladinosyl-3-O-(3-pyridyl)acetyl-6-O-methyl-erythromycin A 325478-17-9 C39H60N2O11
    2'-O-acetyl-10,11-didehydro-11-deoxy-3-O-descladinosyl-3-O-(3-pyridyl)acetyl-6-O-methyl-erythromycin A
    —— 2,2',4,4,4',4'-hexamethyl-2,2'-bi-1,3-dioxa-2-silacyclohexane 121044-14-2 C12H26O4Si2
    2,2',4,4,4',4'-hexamethyl-2,2'-bi-1,3-dioxa-2-silacyclohexane
    —— 2,4,4'-Trinitro-diphenylessigsaeure 860571-04-6 C14H9N3O8
    2,4,4'-Trinitro-diphenylessigsaeure
    —— 2-(6-{(pyridin-2-ylsulfonyl)[4-(thiazol-2-yl)benzyl]aminomethyl}pyridin-2-ylamino)-N-undecylacetamide 1273387-04-4 C34H44N6O3S2
    2-(6-{(pyridin-2-ylsulfonyl)[4-(thiazol-2-yl)benzyl]aminomethyl}pyridin-2-ylamino)-N-undecylacetamide
    —— 2-((R)-3-Benzyloxycarbonylamino-2-oxo-4-phenyl-butyl)-malonic acid dimethyl ester 135941-64-9 C23H25NO7
    2-((R)-3-Benzyloxycarbonylamino-2-oxo-4-phenyl-butyl)-malonic acid dimethyl ester
    —— (2S,3S,4R)-4-bromo-5-(tert-butyldiphenylsilanyloxy)-3-methyl-1-(toluene-4-sulfonyl)-pentane-2,3-diol 1013326-52-7 C29H37BrO5SSi
    (2S,3S,4R)-4-bromo-5-(tert-butyldiphenylsilanyloxy)-3-methyl-1-(toluene-4-sulfonyl)-pentane-2,3-diol
    —— 2-Benzyl-4-<1-acetoxy-1-(α-furyl)-methyl>-1,2,3,4-tetrahydroisochinolin 21196-22-5 C23H23NO3
    2-Benzyl-4-<1-acetoxy-1-(α-furyl)-methyl>-1,2,3,4-tetrahydroisochinolin