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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2'-dithiobis<3-(2-chlorophenyl)-4(3H)-quinazolinone> 140136-65-8 C28H16Cl2N4O2S2
    2,2'-dithiobis<3-(2-chlorophenyl)-4(3H)-quinazolinone>
    —— 2-Acetylamino-3,3-bis-phenylsulfanyl-acrylic acid 60957-04-2 C17H15NO3S2
    2-Acetylamino-3,3-bis-phenylsulfanyl-acrylic acid
    —— 2-Acetylamino-3-acetylhydrazinoisocarbostyril 60437-91-4 C13H14N4O3
    2-Acetylamino-3-acetylhydrazinoisocarbostyril
    —— (2-amino-6-oxo-1(3),6-dihydro-pyrimidin-4-yl)-diethoxy-acetic acid ethyl ester 59414-18-5 C12H19N3O5
    (2-amino-6-oxo-1(3),6-dihydro-pyrimidin-4-yl)-diethoxy-acetic acid ethyl ester
    —— 2-[3-[(p-isobutyloxycarbonyl)-phenoxy]-2-hydroxy-propylthio]-pyridine 147538-84-9 C19H23NO4S
    2-[3-[(p-isobutyloxycarbonyl)-phenoxy]-2-hydroxy-propylthio]-pyridine
    —— 2',3'-dihydroxyprop-1'-yl 2-(5-oxo-5H-dibenzo[a,d]cyclohepten-2-yl)propionate 69514-39-2 C21H20O5
    2',3'-dihydroxyprop-1'-yl 2-(5-oxo-5H-dibenzo[a,d]cyclohepten-2-yl)propionate
    —— 2-carbethoxy-3,4-dicarbmethoxy-5-hydroxy-6,9,9-trimethylbicyclo<4,2,1>nonone 134150-63-3 C19H28O7
    2-carbethoxy-3,4-dicarbmethoxy-5-hydroxy-6,9,9-trimethylbicyclo<4,2,1>nonone
    —— 2-N-phenylguanidino-6-(4-bromophenyl)-1,3-oxazin-4-one 126965-12-6 C17H13BrN4O2
    2-N-phenylguanidino-6-(4-bromophenyl)-1,3-oxazin-4-one
    —— 2-[2-Methyl-3-[1-methyl-5-[[5-(morpholine-4-carbonyl)pyridin-2-yl]amino]-6-oxopyridin-3-yl]phenyl]acetic acid 1147530-91-3 C25H26N4O5
    2-[2-Methyl-3-[1-methyl-5-[[5-(morpholine-4-carbonyl)pyridin-2-yl]amino]-6-oxopyridin-3-yl]phenyl]acetic acid
    —— 2-(Methyl-phenyl-amino)-N-o-tolyl-acetamide 60379-82-0 C16H18N2O
    2-(Methyl-phenyl-amino)-N-o-tolyl-acetamide
    —— 2-phenyl-6-phenylsulfanyl-4,6,7,7a-tetrahydro-3aH-isoindole-1,3,5-trione 60603-30-7 C20H17NO3S
    2-phenyl-6-phenylsulfanyl-4,6,7,7a-tetrahydro-3aH-isoindole-1,3,5-trione
    —— 2-acetylamino-6-(3-oxo-octyl)-3<i>H</i>-pyrimidin-4-one 60656-65-7 C14H21N3O3
    2-acetylamino-6-(3-oxo-octyl)-3<i>H</i>-pyrimidin-4-one
    —— 2-Bromo-5-fluoro-N-(4-fluoro-benzoyl)-benzenesulfonamide 59396-98-4 C13H8BrF2NO3S
    2-Bromo-5-fluoro-N-(4-fluoro-benzoyl)-benzenesulfonamide
    —— 2-(3-oxo-1-phenyl-2,3,5,6-tetrahydro-pyrrolo[2,1-<i>a</i>]isoquinolin-2-yl)-acetamide 61211-41-4 C20H18N2O2
    2-(3-oxo-1-phenyl-2,3,5,6-tetrahydro-pyrrolo[2,1-<i>a</i>]isoquinolin-2-yl)-acetamide
    —— [2-(4-chlorophenyl)-5,5-dimethyl-3-oxo-4-isothiazolidinyl]-carbamic acid phenylmethyl ester 62101-54-6 C19H19ClN2O3S
    [2-(4-chlorophenyl)-5,5-dimethyl-3-oxo-4-isothiazolidinyl]-carbamic acid phenylmethyl ester
    —— 2-<i>p</i>-tolyl-oxazole-4,5-dicarboxylic acid diethyl ester 42489-43-0 C16H17NO5
    2-<i>p</i>-tolyl-oxazole-4,5-dicarboxylic acid diethyl ester
    —— 2-[difluoro-(1,1,2,2-tetrafluoro-2-pentafluoroethoxy-ethoxy)-methyl]-benzooxazole 61324-24-1 C12H4F11NO3
    2-[difluoro-(1,1,2,2-tetrafluoro-2-pentafluoroethoxy-ethoxy)-methyl]-benzooxazole
    —— 2,4,6-Trimethyl-benzenesulfonate1-amino-2-methyl-quinolinium; 39996-56-0 C9H11O3S*C10H11N2
    2,4,6-Trimethyl-benzenesulfonate1-amino-2-methyl-quinolinium;
    —— 2-ethyl-2<i>H</i>-anthra[1,2-<i>d</i>][1,2,3]triazole-6,11-dione 60220-56-6 C16H11N3O2
    2-ethyl-2<i>H</i>-anthra[1,2-<i>d</i>][1,2,3]triazole-6,11-dione
    —— 2,6-Dimethyl-4-nitrobenzoylthiocyanat 60142-47-4 C10H8N2O3S
    2,6-Dimethyl-4-nitrobenzoylthiocyanat
    —— 2,6-dibromo-4-methyl-3,5-dinitro-aniline 860752-19-8 C7H5Br2N3O4
    2,6-dibromo-4-methyl-3,5-dinitro-aniline
    —— (2R,5R,3Z)-5-[(tert-butyldimethylsilyl)oxy]-4-chloro-5-phenyl-2-(prop-2-yn-1-yl)pent-3-enoyl-(R)-sultam 1394236-69-1 C30H42ClNO4SSi
    (2R,5R,3Z)-5-[(tert-butyldimethylsilyl)oxy]-4-chloro-5-phenyl-2-(prop-2-yn-1-yl)pent-3-enoyl-(R)-sultam
    —— (2-chloromethylphenyl)(4’-methoxyphenyl)iodonium tosylate 1357918-11-6 C7H7O3S*C14H13ClIO
    (2-chloromethylphenyl)(4’-methoxyphenyl)iodonium tosylate
    —— (2E,4Z)-methyl-2-(azidomethyl)-5-chloro-5-(4-methoxyphenyl)penta-2,4-dienoate 1361124-05-1 C14H14ClN3O3
    (2E,4Z)-methyl-2-(azidomethyl)-5-chloro-5-(4-methoxyphenyl)penta-2,4-dienoate
    —— 2-(6,7-difluoro-2,3-dihydro-8-(phenylsulfonyl)pyrido-[2,3-b]pyrazin-4(1H)-yl)ethanol 1242144-62-2 C15H15F2N3O3S
    2-(6,7-difluoro-2,3-dihydro-8-(phenylsulfonyl)pyrido-[2,3-b]pyrazin-4(1H)-yl)ethanol
    —— 2,3:5,9-Dianhydro-12-O-(tert-butyldiphenylsilyl)-4,7,10,11-tetradeoxy-8-O-(p-methoxybenzyl)-6-C-methyl-6-O-(trimethylsilyl)-L-erythro-L-altro-dodecitol 122490-61-3 C40H58O7Si2
    2,3:5,9-Dianhydro-12-O-(tert-butyldiphenylsilyl)-4,7,10,11-tetradeoxy-8-O-(p-methoxybenzyl)-6-C-methyl-6-O-(trimethylsilyl)-L-erythro-L-altro-dodecitol
    —— 2-N-(N,N-dimethylaminomethylidenyl)-N1-benzoyl-7-deaza-7-iodo-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-2'-deoxyguanosine 1288999-14-3 C33H48IN5O6Si2
    2-N-(N,N-dimethylaminomethylidenyl)-N1-benzoyl-7-deaza-7-iodo-3',5'-O-(tetraisopropyldisiloxane-1,3-diyl)-2'-deoxyguanosine
    —— [2-isopropylidenehydrazono-3-(O2,O3-isopropylidene-β-D-ribofuranosyl)-4-oxo-thiazolidin-5-yl]-acetic acid methyl ester 58214-60-1 C17H25N3O7S
    [2-isopropylidenehydrazono-3-(O2,O3-isopropylidene-β-D-ribofuranosyl)-4-oxo-thiazolidin-5-yl]-acetic acid methyl ester
    —— 2-(1-oxy-[2]pyridyl)-quinoline-4-carboxylic acid 109503-31-3 C15H10N2O3
    2-(1-oxy-[2]pyridyl)-quinoline-4-carboxylic acid
    —— 2,2',7,7'-tetrakis(2-(trifluoromethyl)phenyl)spiro-9,9'-bifuorene 1425942-33-1 C53H28F12
    2,2',7,7'-tetrakis(2-(trifluoromethyl)phenyl)spiro-9,9'-bifuorene
    —— 2-(4-cyanophenyl)-1-methyl-3H-indene-5-carbonitrile 28719-06-4 C18H12N2
    2-(4-cyanophenyl)-1-methyl-3H-indene-5-carbonitrile
    —— 2-chloro-4-(dimethylamino)-6-nitrobenzonitrile 97112-72-6 C9H8ClN3O2
    2-chloro-4-(dimethylamino)-6-nitrobenzonitrile
    —— (2S,3S)-methyl 3-((S)-1,2-bis(benzyloxy)ethyl)-2-fluoropent-4-enoate 1309594-24-8 C22H25FO4
    (2S,3S)-methyl 3-((S)-1,2-bis(benzyloxy)ethyl)-2-fluoropent-4-enoate
    —— 2-iodo-3-(2-methoxyphenoxy)-5,5-dimethylcyclohex-2-enone 1404368-10-0 C15H17IO3
    2-iodo-3-(2-methoxyphenoxy)-5,5-dimethylcyclohex-2-enone
    —— 2,2'',4,4'',5',6-hexamethoxy-4',6'-dimethyl-[1,1':3',1''-terphenyl]-2'-ol 1431793-77-9 C26H30O7
    2,2'',4,4'',5',6-hexamethoxy-4',6'-dimethyl-[1,1':3',1''-terphenyl]-2'-ol
    —— 2-[(1-methylpiperidin-4-yloxy)thiophen-3-ylmethyl]benzothiazole oxalate 1370427-34-1 C2H2O4*C18H20N2OS2
    2-[(1-methylpiperidin-4-yloxy)thiophen-3-ylmethyl]benzothiazole oxalate
    —— 2-(3-fluoro-4-(dodecyloxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1206159-48-9 C24H40BFO3
    2-(3-fluoro-4-(dodecyloxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
    —— (2R,3R)-2-methyl-4-pentene-1,3-diol 99529-24-5 C6H12O2
    (2R,3R)-2-methyl-4-pentene-1,3-diol
    —— (2R,3R)-O,O-dimethyl 4-oxo-3-phthalimidoazetidin-2-ylphosphonate 76116-50-2 C13H13N2O6P
    (2R,3R)-O,O-dimethyl 4-oxo-3-phthalimidoazetidin-2-ylphosphonate
    —— 2-(benzyloxycarbonylamino)ethyl O-(2-acetamido-3,6-di-O-benzoyl-2-deoxy-β-D-galactopyranosyl)-(1->4)-(methyl 2,3-di-O-benzoyl-β-D-glucopyranosyluronate)-(1->3)-2-acetamido-6-O-benzoyl-2-deoxy-β-D-galactopyranoside 1327313-16-5 C68H69N3O24
    2-(benzyloxycarbonylamino)ethyl O-(2-acetamido-3,6-di-O-benzoyl-2-deoxy-β-D-galactopyranosyl)-(1->4)-(methyl 2,3-di-O-benzoyl-β-D-glucopyranosyluronate)-(1->3)-2-acetamido-6-O-benzoyl-2-deoxy-β-D-galactopyranoside
    —— 2-dimethylamino-3-phenyl-pentan-3-ol 107411-46-1 C13H21NO
    2-dimethylamino-3-phenyl-pentan-3-ol
    —— 2-benzyl-9-(1-methyl-1H-benzo[d]imidazol-2-yl)-2,9-diazaspiro[5.5]undecan-1-one trifluoroacetate 1313234-52-4 C2HF3O2*C24H28N4O
    2-benzyl-9-(1-methyl-1H-benzo[d]imidazol-2-yl)-2,9-diazaspiro[5.5]undecan-1-one trifluoroacetate
    —— 2-amino-6-borono-2-(2-(2-(3-(3-methoxyphenyl)ureido)ethoxy)ethyl)hexanoic acid 1236275-50-5 C18H30BN3O7
    2-amino-6-borono-2-(2-(2-(3-(3-methoxyphenyl)ureido)ethoxy)ethyl)hexanoic acid
    —— 2-(3-oxo-2-propan-2-yl-1,4-diazaspiro[4.6]undec-1-en-4-yl)-N-[(2R)-2'-oxospiro[1,3-dihydroindene-2,3'-1H-pyrrolo[2,3-b]pyridine]-5-yl]acetamide 1234508-06-5 C29H33N5O3
    2-(3-oxo-2-propan-2-yl-1,4-diazaspiro[4.6]undec-1-en-4-yl)-N-[(2R)-2'-oxospiro[1,3-dihydroindene-2,3'-1H-pyrrolo[2,3-b]pyridine]-5-yl]acetamide
    —— (2-ethyl-5-methyl-1,3-thiazol-4-yl)methanol 1008795-40-1 C7H11NOS
    (2-ethyl-5-methyl-1,3-thiazol-4-yl)methanol
    —— 2-amino-1-benzoyloxy-5-[4-(3-benzyloxyphenoxy)-2-chlorophenyl]pentane 676482-25-0 C31H30ClNO4
    2-amino-1-benzoyloxy-5-[4-(3-benzyloxyphenoxy)-2-chlorophenyl]pentane
    —— 2-(4-bromobenzyl)-5,6-dihydroxy-N-(2-methylpropyl)pyrimidine-4-carboxamide 1407173-32-3 C16H18BrN3O3
    2-(4-bromobenzyl)-5,6-dihydroxy-N-(2-methylpropyl)pyrimidine-4-carboxamide
    —— 2'-amino-8-bromo-1'-methyl-2,3-dihydrospiro[furo[2,3-b]xanthene-10,4-imidazol]-5'(1'H)-one 1338928-67-8 C18H14BrN3O3
    2'-amino-8-bromo-1'-methyl-2,3-dihydrospiro[furo[2,3-b]xanthene-10,4-imidazol]-5'(1'H)-one
    —— 2,3-dihydro-1H-inden-1-yl 5-methyl-7-(naphthalen-1-yl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate 1099636-00-6 C25H21N5O2
    2,3-dihydro-1H-inden-1-yl 5-methyl-7-(naphthalen-1-yl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— 2-hydroxy-7-methyl-N-(2-morpholin-4-ylethyl)-4-oxopyrido[1,2-a]pyrimidine-3-carboxamide 1132649-47-8 C16H20N4O4
    2-hydroxy-7-methyl-N-(2-morpholin-4-ylethyl)-4-oxopyrido[1,2-a]pyrimidine-3-carboxamide