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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methoxycarbonylmethylmercapto-2-thioxo-4-methyl-1,3,2-dioxaphosphinan 23196-88-5 C7H13O4PS2
    2-Methoxycarbonylmethylmercapto-2-thioxo-4-methyl-1,3,2-dioxaphosphinan
    —— [2-(1,1,1,3,3,3-Hexamethyl-disilazan-2-yl)-phenyl]-phenyl-amine 25927-80-4 C18H28N2Si2
    [2-(1,1,1,3,3,3-Hexamethyl-disilazan-2-yl)-phenyl]-phenyl-amine
    —— 2-Ethyl-3-nitro-cyclopropane-1,1-dicarbonitrile 50711-67-6 C7H7N3O2
    2-Ethyl-3-nitro-cyclopropane-1,1-dicarbonitrile
    —— 2-(2,5-dimethoxy-phenyl)-3-(2-piperidin-1-yl-ethoxy)-2,3-dihydro-1<i>H</i>-quinazolin-4-one 25940-02-7 C23H29N3O4
    2-(2,5-dimethoxy-phenyl)-3-(2-piperidin-1-yl-ethoxy)-2,3-dihydro-1<i>H</i>-quinazolin-4-one
    —— 2,3-Dimethyl-5-(4-hydroxy-3-methyl-2-butenyl)-1,4-benzochinon 31604-70-3 C13H16O3
    2,3-Dimethyl-5-(4-hydroxy-3-methyl-2-butenyl)-1,4-benzochinon
    —— 2,2-Bis-(tert-butyl-dimethyl-silanyl)-but-3-enenitrile 110036-05-0 C16H33NSi2
    2,2-Bis-(tert-butyl-dimethyl-silanyl)-but-3-enenitrile
    —— 2,4-dimethyl-1-(phenylethynyl)benzene 78594-13-5 C16H14
    2,4-dimethyl-1-(phenylethynyl)benzene
    —— ((2-cyanophenyl)imino)niobium(V) chloride 137319-21-2 C7H4Cl3N2Nb
    ((2-cyanophenyl)imino)niobium(V) chloride
    —— 2-(3-Nitrophenyl)-4-pyrid-3-yl-5,6-benzochinolin 20856-20-6 C24H15N3O2
    2-(3-Nitrophenyl)-4-pyrid-3-yl-5,6-benzochinolin
    —— 2-Methyl-3-thioxo-2,3-dihydro-1,2,4-triazino<6,5-b>indol 51972-76-0 C10H8N4S
    2-Methyl-3-thioxo-2,3-dihydro-1,2,4-triazino<6,5-b>indol
    —— 2-Benzyl-5-p-methoxyphenyl-isothiazolin-3-on 30162-54-0 C17H15NO2S
    2-Benzyl-5-p-methoxyphenyl-isothiazolin-3-on
    —— 2,9-Dimethoxythioxanthon-9-carbonsaeure 43183-19-3 C16H14O4S
    2,9-Dimethoxythioxanthon-9-carbonsaeure
    —— 2-(5-phenyl-1<i>H</i>-[1,2,4]triazole-3-carbonyl)-benzoic acid 52998-04-6 C16H11N3O3
    2-(5-phenyl-1<i>H</i>-[1,2,4]triazole-3-carbonyl)-benzoic acid
    —— 2,2,5,5-Bis<(3-tert.-butyl)pentamethylen>-1,3,4-Δ<sup>3</sup>-thiadiazolin 56614-17-6 C20H36N2S
    2,2,5,5-Bis<(3-tert.-butyl)pentamethylen>-1,3,4-Δ<sup>3</sup>-thiadiazolin
    —— 2-[2-(1,4-Dimethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ethyl]-cyclohex-2-enone oxime 30098-53-4 C20H27NO
    2-[2-(1,4-Dimethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ethyl]-cyclohex-2-enone oxime
    —— 2-acetyl-1-[2,2-bis-(4-dimethylamino-phenyl)-vinyl]-4-(4-methoxy-phenyl)-benzo[<i>f</i>]quinolinium 49871-41-2 C40H38N3O2
    2-acetyl-1-[2,2-bis-(4-dimethylamino-phenyl)-vinyl]-4-(4-methoxy-phenyl)-benzo[<i>f</i>]quinolinium
    —— 2-Chlor-4,5-diisopropyloxazol 42183-29-9 C9H14ClNO
    2-Chlor-4,5-diisopropyloxazol
    —— (2-cyclopent-3-enyl-butyl)-(2-indol-3-yl-ethyl)-carbamic acid benzyl ester 25647-55-6 C27H32N2O2
    (2-cyclopent-3-enyl-butyl)-(2-indol-3-yl-ethyl)-carbamic acid benzyl ester
    —— 2-Benzolazo-1-benzoyloxy-3-oxo-1,3-diphenyl-propen-(1) 21317-39-5 C28H20N2O3
    2-Benzolazo-1-benzoyloxy-3-oxo-1,3-diphenyl-propen-(1)
    —— 2,3,8,8-tetramethyl-non-5<i>t</i>-en-3-ol 42201-52-5 C13H26O
    2,3,8,8-tetramethyl-non-5<i>t</i>-en-3-ol
    —— 2-[5-cyano-3-ethyl-5-(tri-<i>p</i>-tolyl-λ<sup>5</sup>-phosphanylidene)-penta-1,3-dienyl]-3-ethyl-benzothiazolium; iodide 37424-09-2 C38H38N2PS*I
    2-[5-cyano-3-ethyl-5-(tri-<i>p</i>-tolyl-λ<sup>5</sup>-phosphanylidene)-penta-1,3-dienyl]-3-ethyl-benzothiazolium; iodide
    —— {2,4-bis(4-methylphenylsulfonyl)phenyl} allyl ether 195620-33-8 C23H22O5S2
    {2,4-bis(4-methylphenylsulfonyl)phenyl} allyl ether
    —— 2-(4-bromophenyl)-1-(4-chlorophenyl)-4,5-diphenyl-1H-imidazole 1239580-20-1 C27H18BrClN2
    2-(4-bromophenyl)-1-(4-chlorophenyl)-4,5-diphenyl-1H-imidazole
    —— 2-(2-diethylamino-ethylcarbamoyl)-5,6-dihydro-[1,3]dioxolo[4,5-<i>g</i>]pyrrolo[2,1-<i>a</i>]isoquinoline-3-carboxylic acid 39731-70-9 C21H25N3O5
    2-(2-diethylamino-ethylcarbamoyl)-5,6-dihydro-[1,3]dioxolo[4,5-<i>g</i>]pyrrolo[2,1-<i>a</i>]isoquinoline-3-carboxylic acid
    —— {2-[2-Methoxy-2-methyl-prop-(E)-ylideneamino]-acetylamino}-acetic acid ethyl ester 119973-05-6 C11H20N2O4
    {2-[2-Methoxy-2-methyl-prop-(E)-ylideneamino]-acetylamino}-acetic acid ethyl ester
    —— 2-ethylallyl 3-phenylpropiolate 1130965-04-6 C14H14O2
    2-ethylallyl 3-phenylpropiolate
    —— ((2-cyclopropyl-6-fluoro-4-((4-isopropylphenyl)thio)quinolin-3-yl)methyl)diphenylphosphine oxide 1202383-42-3 C34H31FNOPS
    ((2-cyclopropyl-6-fluoro-4-((4-isopropylphenyl)thio)quinolin-3-yl)methyl)diphenylphosphine oxide
    —— 2-Methoxy-2-methyl-propylideneamine 119973-04-5 C5H11NO
    2-Methoxy-2-methyl-propylideneamine
    —— (2R,7R,8S)-1-Trimethylsilanyloxy-tricyclo[6.2.2.02,7]dodeca-4,9,11-triene-9,10-dicarboxylic acid dimethyl ester 75505-98-5 C19H26O5Si
    (2R,7R,8S)-1-Trimethylsilanyloxy-tricyclo[6.2.2.02,7]dodeca-4,9,11-triene-9,10-dicarboxylic acid dimethyl ester
    —— 2-methylthio-1-phenylaminoimidazole-5-carboxaldehyde 676566-31-7 C11H11N3OS
    2-methylthio-1-phenylaminoimidazole-5-carboxaldehyde
    —— 2-tributylstannyl-5-(5'-trimethylsilyl-2-thienyl)thiophene 1287240-31-6 C23H40S2SiSn
    2-tributylstannyl-5-(5'-trimethylsilyl-2-thienyl)thiophene
    —— (2S,3S)-N-benzoyl-2-tert-butoxycarbonyl-3-tert-butoxycarbonylmethyl-4-phenyl-<4,5>-dehydropyrrolidine 169774-64-5 C28H33NO5
    (2S,3S)-N-benzoyl-2-tert-butoxycarbonyl-3-tert-butoxycarbonylmethyl-4-phenyl-<4,5>-dehydropyrrolidine
    —— 2-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-N-(3,4-dihydroxyphenyl)-1,3-dithiole-4-carboxamide 1446195-06-7 C15H11NO3S6
    2-(5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-N-(3,4-dihydroxyphenyl)-1,3-dithiole-4-carboxamide
    —— 2-butyloctanoic acid 1-(5'-bromo-[2,2']bithiophen-5-yl)propyl ester 672965-32-1 C23H33BrO2S2
    2-butyloctanoic acid 1-(5'-bromo-[2,2']bithiophen-5-yl)propyl ester
    —— 2,6-diisobutyl-5-isopropyl-pyrimidin-4-ylamine 853933-95-6 C15H27N3
    2,6-diisobutyl-5-isopropyl-pyrimidin-4-ylamine
    —— [2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-(2-{[(3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-acetyl]-[2-(3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-ethyl]-amino}-acetylamino)-hexanoylamino]-acetic acid 261724-18-9 C57H72N4O25
    [2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-(2-{[(3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-acetyl]-[2-(3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-ethyl]-amino}-acetylamino)-hexanoylamino]-acetic acid
    —— 2,2,6,6-tetramethyl-1-(1-phenylpropan-2-yloxy)piperidine 197246-26-7 C18H29NO
    2,2,6,6-tetramethyl-1-(1-phenylpropan-2-yloxy)piperidine
    —— (2R,3R,4S,6R)-6-((4R,5S)-5-((E)-5-hydroxypent-1-en-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-((E)-3-((1R,3S,4R,5R,7R)-7-(((4-methoxybenzyl)oxy)methyl)-4-methyl-2,6-dioxabicyclo[3.2.1]octan-3-yl)allyl)-3-methyltetrahydro-2H-pyran-4-ol 1325711-11-2 C35H52O9
    (2R,3R,4S,6R)-6-((4R,5S)-5-((E)-5-hydroxypent-1-en-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-((E)-3-((1R,3S,4R,5R,7R)-7-(((4-methoxybenzyl)oxy)methyl)-4-methyl-2,6-dioxabicyclo[3.2.1]octan-3-yl)allyl)-3-methyltetrahydro-2H-pyran-4-ol
    —— 2,2'-(2,10-difluoro-6-methoxyindolo[2,3-b]carbazole-5,7-diyl)diacetonitrile 1217108-48-9 C23H14F2N4O
    2,2'-(2,10-difluoro-6-methoxyindolo[2,3-b]carbazole-5,7-diyl)diacetonitrile
    —— 2,5-dioxopyrrolidin-1-yl 1-((9-butoxy-1-oxo-6,7-dihydro-1H-dibenzo[a,e]cyclopropa[c][8]annulen-4-yl)oxy)-3,6,9,12-tetraoxapentadecan-15-oate 1240410-55-2 C36H43NO11
    2,5-dioxopyrrolidin-1-yl 1-((9-butoxy-1-oxo-6,7-dihydro-1H-dibenzo[a,e]cyclopropa[c][8]annulen-4-yl)oxy)-3,6,9,12-tetraoxapentadecan-15-oate
    —— 2-Oxo-5-propyl-[1,3]dioxole-4-carboxylic acid benzyl ester 188526-19-4 C14H14O5
    2-Oxo-5-propyl-[1,3]dioxole-4-carboxylic acid benzyl ester
    —— 2,3,4,4a,10,10a-Hexahydro-10a-hydroxy-1H-thioxanthen-1-on 124921-69-3 C13H14O2S
    2,3,4,4a,10,10a-Hexahydro-10a-hydroxy-1H-thioxanthen-1-on
    —— 2-(5-((4-chloro-2-((2-chlorobenzyl)thio)thiazol-5-yl)methylene)-2,4-dioxothiazolidin-3-yl)acetic acid 1262897-64-2 C16H10Cl2N2O4S3
    2-(5-((4-chloro-2-((2-chlorobenzyl)thio)thiazol-5-yl)methylene)-2,4-dioxothiazolidin-3-yl)acetic acid
    —— 2-methoxy-3-pyridinecarboxaldehyde dimethylhydrazone 1415679-49-0 C9H13N3O
    2-methoxy-3-pyridinecarboxaldehyde dimethylhydrazone
    —— 2-Chlor-5-methyl-6-(2-methylbenzoyl)anilin 72618-66-7 C15H14ClNO
    2-Chlor-5-methyl-6-(2-methylbenzoyl)anilin
    —— 2-(3-cyano-1-cyclobutyl-5-methoxy-1H-indol-2-yl)-N-[(1S)-1-cyclopropylethyl]pyrimidine-5-sulfonamide 1248579-40-9 C23H25N5O3S
    2-(3-cyano-1-cyclobutyl-5-methoxy-1H-indol-2-yl)-N-[(1S)-1-cyclopropylethyl]pyrimidine-5-sulfonamide
    —— (2R)-2-[(2S)-4-methyl-2-[methyl-[(2R)-2-[(2S)-4-methyl-2-[methyl-[(2R)-2-[(2S)-4-methyl-2-[(3R)-3-[(2S)-4-methyl-2-(methylamino)pentanoyl]oxy-2-oxopyrrolidin-1-yl]pentanoyl]oxy-3-phenylpropanoyl]amino]pentanoyl]oxypropanoyl]amino]pentanoyl]oxy-3-phenylpropanoic acid 188908-85-2 C52H76N4O13
    (2R)-2-[(2S)-4-methyl-2-[methyl-[(2R)-2-[(2S)-4-methyl-2-[methyl-[(2R)-2-[(2S)-4-methyl-2-[(3R)-3-[(2S)-4-methyl-2-(methylamino)pentanoyl]oxy-2-oxopyrrolidin-1-yl]pentanoyl]oxy-3-phenylpropanoyl]amino]pentanoyl]oxypropanoyl]amino]pentanoyl]oxy-3-phenylpropanoic acid
    —— 2-acetyl-1-benzyl-2,5-dimethyl-1,2-dihydropyrrol-3-one 1002555-92-1 C15H17NO2
    2-acetyl-1-benzyl-2,5-dimethyl-1,2-dihydropyrrol-3-one
    —— 2-hydroxyethyl 7,7-di-3-thienylhept-6-enoate 90128-22-6 C17H20O3S2
    2-hydroxyethyl 7,7-di-3-thienylhept-6-enoate
    —— 2,3-diphenyl-5-formyl-1-indolizinol 121030-42-0 C21H15NO2
    2,3-diphenyl-5-formyl-1-indolizinol