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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-Dimethyl-1,3,2-dioxabismolan 60458-14-2 C4H9BiO2
    2,4-Dimethyl-1,3,2-dioxabismolan
    —— 2-chloro-5-methyl-[1,3,2]oxathiarsolane 57825-95-3 C3H6AsClOS
    2-chloro-5-methyl-[1,3,2]oxathiarsolane
    —— (2R,4S,5S,9S,10S,11S)-2,5,10-Tris-benzyloxy-11-((2R,3S,4S)-3,4-bis-benzyloxy-tetrahydro-pyran-2-yl)-4,9-dimethyl-dodecan-6-one 181267-15-2 C54H66O7
    (2R,4S,5S,9S,10S,11S)-2,5,10-Tris-benzyloxy-11-((2R,3S,4S)-3,4-bis-benzyloxy-tetrahydro-pyran-2-yl)-4,9-dimethyl-dodecan-6-one
    —— 2-methyl-1,1,3-trioxo-1,2,3,4-tetrahydro-1λ<sup>6</sup>-benzo[<i>e</i>][1,2]thiazine-4-carboxylic acid 2,4-dichloro-anilide 29209-04-9 C16H12Cl2N2O4S
    2-methyl-1,1,3-trioxo-1,2,3,4-tetrahydro-1λ<sup>6</sup>-benzo[<i>e</i>][1,2]thiazine-4-carboxylic acid 2,4-dichloro-anilide
    —— 2-[3-Imino-2,3-dihydro-isoindol-(1Z)-ylideneamino]-benzoic acid 68254-45-5 C15H11N3O2
    2-[3-Imino-2,3-dihydro-isoindol-(1Z)-ylideneamino]-benzoic acid
    —— 2-cyano-N-[5-(3,8,10-triazatricyclo[7.3.0.02,6]dodeca-1,4,6,8,11-pentaen-3-yl)pyridin-2-yl]acetamide 1251907-59-1 C17H12N6O
    2-cyano-N-[5-(3,8,10-triazatricyclo[7.3.0.02,6]dodeca-1,4,6,8,11-pentaen-3-yl)pyridin-2-yl]acetamide
    —— 2-Methylamino-1,1-dinitro-butan 98137-82-7 C5H11N3O4
    2-Methylamino-1,1-dinitro-butan
    —— 2-nitro-7-{4-[4-(4-trifluoromethoxybenzyloxymethyl)piperidin-1-yl]phenoxymethyl}6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine 1403316-93-7 C27H29F3N4O6
    2-nitro-7-{4-[4-(4-trifluoromethoxybenzyloxymethyl)piperidin-1-yl]phenoxymethyl}6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
    —— 2,6-Di-tert-butyl-4-(1-methyl-1H-benzo[cd]indol-2-ylidene)-cyclohexa-2,5-dienone 62664-55-5 C26H29NO
    2,6-Di-tert-butyl-4-(1-methyl-1H-benzo[cd]indol-2-ylidene)-cyclohexa-2,5-dienone
    —— 2,5-Dioxo-2,5-dihydrofuransulfonsaeuremethylester 40336-90-1 C5H4O6S
    2,5-Dioxo-2,5-dihydrofuransulfonsaeuremethylester
    —— 2,2,4,6,6-pentachloro-heptane 51008-03-8 C7H11Cl5
    2,2,4,6,6-pentachloro-heptane
    —— [(2S,3S,4R)-4-[(4R,5S,6R)-6-[(2R)-1,1-dimethoxypropan-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-2-methyl-1-oxopentan-3-yl] acetate 106544-12-1 C20H36O7
    [(2S,3S,4R)-4-[(4R,5S,6R)-6-[(2R)-1,1-dimethoxypropan-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-2-methyl-1-oxopentan-3-yl] acetate
    —— 2-({6-[(diphenylphosphoryl)methyl]pyridin-2-yl}methyl)-1,1,3,3-tetramethylguanidine 1620658-10-7 C24H29N4OP
    2-({6-[(diphenylphosphoryl)methyl]pyridin-2-yl}methyl)-1,1,3,3-tetramethylguanidine
    —— 2,4-O-ethylidene-D-erythrose diethyl thioacetal 407616-78-8 C10H20O3S2
    2,4-O-ethylidene-D-erythrose diethyl thioacetal
    —— 2H-Pyran, tetrahydro-2-[(6-methyl-1,5-heptadienyl)oxy]-, (Z)- 115474-28-7 C13H22O2
    2H-Pyran, tetrahydro-2-[(6-methyl-1,5-heptadienyl)oxy]-, (Z)-
    —— 2-[1-Isopropylamino-eth-(E)-ylidene]-tetrahydro-pyrrolizine-1,3-dione 66343-09-7 C12H18N2O2
    2-[1-Isopropylamino-eth-(E)-ylidene]-tetrahydro-pyrrolizine-1,3-dione
    —— 2-(α-Cyanoisopropyl)-3,3-dimethyl-Δ<sup>1</sup>-pyrrolin 64273-87-6 C10H16N2
    2-(α-Cyanoisopropyl)-3,3-dimethyl-Δ<sup>1</sup>-pyrrolin
    —— 2-n-Amyl-3-methyl-5,7-dimethoxyindanon 58590-16-2 C17H24O3
    2-n-Amyl-3-methyl-5,7-dimethoxyindanon
    —— 2-Amino-6-(3-bromphthalimido)-hexansaeure 64954-17-2 C14H15BrN2O4
    2-Amino-6-(3-bromphthalimido)-hexansaeure
    —— 2'-methyl-12,5'-diphenyl-2',4'-dihydro-10λ<sup>5</sup>-spiro[phenanthro[9',10':4,5][1,3,2]oxazaphospholo[2,3-<i>b</i>][1,3,4,2]oxadiazaphosphole-10,3'-[1,2,4,3]triazaphosphole] 64407-33-6 C29H22N5O2P
    2'-methyl-12,5'-diphenyl-2',4'-dihydro-10λ<sup>5</sup>-spiro[phenanthro[9',10':4,5][1,3,2]oxazaphospholo[2,3-<i>b</i>][1,3,4,2]oxadiazaphosphole-10,3'-[1,2,4,3]triazaphosphole]
    —— 2-(4-Dibutylaminopropoxyphenyl)-7-methylimidazo-[1,2-a]pyrimidine trihydrochloride 115407-53-9 C24H34N4O*3ClH
    2-(4-Dibutylaminopropoxyphenyl)-7-methylimidazo-[1,2-a]pyrimidine trihydrochloride
    —— (2R,5S)-methyl 1-allyl-5-carbamoylpyrrolidine-2-carboxylate 1372722-20-7 C10H16N2O3
    (2R,5S)-methyl 1-allyl-5-carbamoylpyrrolidine-2-carboxylate
    —— 2'-(4-(4-(tert-butyl)benzamido)phenyl)-6-methyl-[2,6'-bibenzo[d]thiazole]-7-sulfonic acid ammonium salt 1403245-40-8 C32H27N3O4S3*H3N
    2'-(4-(4-(tert-butyl)benzamido)phenyl)-6-methyl-[2,6'-bibenzo[d]thiazole]-7-sulfonic acid ammonium salt
    —— 2-(4-benzenesulfonyl-piperazin-1-yl)-1-{4-[3-((R)-2-methyl-pyrrolidin-1-yl)-propoxy]-phenyl}-ethanone 1260098-36-9 C26H35N3O4S
    2-(4-benzenesulfonyl-piperazin-1-yl)-1-{4-[3-((R)-2-methyl-pyrrolidin-1-yl)-propoxy]-phenyl}-ethanone
    —— [2S-(2α(1S*,2R*),3aα,4β,7β,7aα)]-2-[2-(1-benzyl-2-iodo-1-methylethoxy)-1,2-diphenyl-ethoxy]octahydro-7,8,8-trimethyl-4,7-methanobenzofuran 866457-00-3 C36H43IO3
    [2S-(2α(1S*,2R*),3aα,4β,7β,7aα)]-2-[2-(1-benzyl-2-iodo-1-methylethoxy)-1,2-diphenyl-ethoxy]octahydro-7,8,8-trimethyl-4,7-methanobenzofuran
    —— 2-Benzoyl-6-chloro-3-(linolenoylamino)indole 220267-70-9 C33H39ClN2O2
    2-Benzoyl-6-chloro-3-(linolenoylamino)indole
    —— 2-methyl-1-phenylpropan-2-yl 2-((4R,6S)-6-((1-tert-butyl-1H-tetrazol-5-ylsulfonyl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate 1257341-70-0 C24H36N4O6S
    2-methyl-1-phenylpropan-2-yl 2-((4R,6S)-6-((1-tert-butyl-1H-tetrazol-5-ylsulfonyl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
    —— 2-benzoyloxycarbamoyl-nicotinic acid 23411-04-3 C14H10N2O5
    2-benzoyloxycarbamoyl-nicotinic acid
    —— 2-(4-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-cyanopyrimidin-2-ylamino)-N-cyclopentyl-2-methylpropanamide 1036027-10-7 C21H22ClN7O
    2-(4-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-cyanopyrimidin-2-ylamino)-N-cyclopentyl-2-methylpropanamide
    —— 2-amino-3-benzhydryl-7-[(3-propan-2-yl-1,2,4-oxadiazol-5-yl)methyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-one 1073475-58-7 C26H28N6O2
    2-amino-3-benzhydryl-7-[(3-propan-2-yl-1,2,4-oxadiazol-5-yl)methyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-one
    —— 2-[1-[[4-(2-cyclohexylethylcarbamoyl)phenyl]methyl]isoquinolin-4-yl]acetic acid 1233248-61-7 C27H30N2O3
    2-[1-[[4-(2-cyclohexylethylcarbamoyl)phenyl]methyl]isoquinolin-4-yl]acetic acid
    —— 2-(4-ethylphenyl)-2-(2-nitro-4-(trifluoromethyl)phenyl)acetonitrile 1005793-19-0 C17H13F3N2O2
    2-(4-ethylphenyl)-2-(2-nitro-4-(trifluoromethyl)phenyl)acetonitrile
    —— 2-[[2-[3-[2-(2-carboxyanilino)-2-oxoethoxy]phenoxy]acetyl]amino]benzoic acid 181770-26-3 C24H20N2O8
    2-[[2-[3-[2-(2-carboxyanilino)-2-oxoethoxy]phenoxy]acetyl]amino]benzoic acid
    —— 2,2-dimethyl-1-(2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)propan-1-ol 1187949-63-8 C15H23NO
    2,2-dimethyl-1-(2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)propan-1-ol
    —— 2-<i>tert</i>-butyl-9-methyl-4-phenyl-2,9-dihydro-1<i>H</i>-phosphinino[3,4-<i>b</i>]indole 2-oxide 70787-17-6 C22H24NOP
    2-<i>tert</i>-butyl-9-methyl-4-phenyl-2,9-dihydro-1<i>H</i>-phosphinino[3,4-<i>b</i>]indole 2-oxide
    —— 2-[4-[6-(5,6-dimethoxypyridin-3-yl)-3-oxo-1H-isoindol-2-yl]pyrazol-1-yl]-N-methylacetamide 1315534-74-7 C21H21N5O4
    2-[4-[6-(5,6-dimethoxypyridin-3-yl)-3-oxo-1H-isoindol-2-yl]pyrazol-1-yl]-N-methylacetamide
    —— 2-[3-Cyano-4-[3-(trifluoromethyl)phenyl]phenyl]pyridine-4-carboxylic acid 934469-27-9 C20H11F3N2O2
    2-[3-Cyano-4-[3-(trifluoromethyl)phenyl]phenyl]pyridine-4-carboxylic acid
    —— 2-(4-chloro-phenyldisulfanyl)-4-methyl-pyrimidine 53490-14-5 C11H9ClN2S2
    2-(4-chloro-phenyldisulfanyl)-4-methyl-pyrimidine
    —— (2-(2-(2-(4-(1-(2-cyanoacetamido)butyl)phenoxy)ethoxy)ethoxy)ethyl)imidodicarbonic acid bis(tert-butyl) ester 1369406-44-9 C29H45N3O8
    (2-(2-(2-(4-(1-(2-cyanoacetamido)butyl)phenoxy)ethoxy)ethoxy)ethyl)imidodicarbonic acid bis(tert-butyl) ester
    —— 2-nitro-N-<1-(2-nitrobenzoyl)-1H-pyrazol-3-yl>benzamide 104035-22-5 C17H11N5O6
    2-nitro-N-<1-(2-nitrobenzoyl)-1H-pyrazol-3-yl>benzamide
    —— 2-phenyl-6-[[(4-pyridinylmethyl)amino]carbonyl]-3-quinolinepentanoic acid 1383848-17-6 C27H25N3O3
    2-phenyl-6-[[(4-pyridinylmethyl)amino]carbonyl]-3-quinolinepentanoic acid
    —— 2-Benzoyloxy-4-brom-1-naphthol 70001-04-6 C17H11BrO3
    2-Benzoyloxy-4-brom-1-naphthol
    —— 2-[4-[di(propan-2-yloxy)phosphinothioylamino]phenyl]sulfonylguanidine 68293-17-4 C13H23N4O4PS2
    2-[4-[di(propan-2-yloxy)phosphinothioylamino]phenyl]sulfonylguanidine
    —— 2-(4-Chloro-phenyl)-3-oxo-3H-indene-1-carboxylic acid 68306-12-7 C16H9ClO3
    2-(4-Chloro-phenyl)-3-oxo-3H-indene-1-carboxylic acid
    —— 2-(1-Oxo-1H-inden-2-yl)-benzoic acid 68306-17-2 C16H10O3
    2-(1-Oxo-1H-inden-2-yl)-benzoic acid
    —— 2-[(2-chlorobenzenecarbothioyl)amino]-N-propan-2-ylbenzenecarbothioamide 69948-85-2 C17H17ClN2S2
    2-[(2-chlorobenzenecarbothioyl)amino]-N-propan-2-ylbenzenecarbothioamide
    —— 2-phenyl-6-[[(2,2,2-trifluoro-1(S)-phenylethyl)amino]carbonyl]-3-quinolinepentanoic acid 1383847-99-1 C29H25F3N2O3
    2-phenyl-6-[[(2,2,2-trifluoro-1(S)-phenylethyl)amino]carbonyl]-3-quinolinepentanoic acid
    —— 2-(4-tolyloxymethyl)-Δ<sup>2</sup>-1,3,4-oxadiazolin-5-one 75823-11-9 C10H10N2O3
    2-(4-tolyloxymethyl)-Δ<sup>2</sup>-1,3,4-oxadiazolin-5-one
    —— 2,5-dioxo-13-fluoro-9,14,17,20,20-pentamethyl-9(E),13(E),17(E)-tetracosatrien-22-yne 144375-03-1 C29H45FO2
    2,5-dioxo-13-fluoro-9,14,17,20,20-pentamethyl-9(E),13(E),17(E)-tetracosatrien-22-yne
    —— 2,2-dimethyl-N-[2-[[(2S)-1'-methyl-2',4'-dioxospiro[1,3-dihydroindene-2,5'-imidazolidine]-5-yl]amino]-2-oxoethyl]-N-[(1R)-1-phenylethyl]but-3-ynamide 1072445-93-2 C28H30N4O4
    2,2-dimethyl-N-[2-[[(2S)-1'-methyl-2',4'-dioxospiro[1,3-dihydroindene-2,5'-imidazolidine]-5-yl]amino]-2-oxoethyl]-N-[(1R)-1-phenylethyl]but-3-ynamide