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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 3-o-Brom-p-chlorphenoxy-6-chlorpyridazin 40889-95-0 C10H5BrCl2N2O
    3-o-Brom-p-chlorphenoxy-6-chlorpyridazin
    —— 3-<3-Chlor-4-propionyl-phenoxy>-propionsaeure 1214-83-1 C12H13ClO4
    3-<3-Chlor-4-propionyl-phenoxy>-propionsaeure
    —— 3,17-Divaleryloxy-18-nor-1,3,5(10)-estratrien 96974-62-8 C27H38O4
    3,17-Divaleryloxy-18-nor-1,3,5(10)-estratrien
    —— (3aS,6R)-7-Methyl-6-phenyl-4-oxa-7,7a-diazaperhydroindan 135324-39-9 C13H18N2O
    (3aS,6R)-7-Methyl-6-phenyl-4-oxa-7,7a-diazaperhydroindan
    —— 3,4-di-O-acetyl-1,2-O-<(1-exo-cyano)ethylidene>-β-L-arabinopyranose 105313-33-5 C12H15NO7
    3,4-di-O-acetyl-1,2-O-<(1-exo-cyano)ethylidene>-β-L-arabinopyranose
    —— (3aR,8R,8aS)-8a-(hydroxymethyl)-6-nitro-8-(trifluoromethyl)-1,2,3,3a,8,8a-hexahydrocyclopenta[b]pyrrolizin-8-ol 1607459-51-7 C12H13F3N2O4
    (3aR,8R,8aS)-8a-(hydroxymethyl)-6-nitro-8-(trifluoromethyl)-1,2,3,3a,8,8a-hexahydrocyclopenta[b]pyrrolizin-8-ol
    —— 3-methoxy-6-methyl-11H-indolo<3,2-c>quinoline-4-amine 113698-15-0 C17H15N3O
    3-methoxy-6-methyl-11H-indolo<3,2-c>quinoline-4-amine
    —— 3-methyl-1,4-dioxy-quinoxaline-2-carboxylic acid (1-methyl-1<i>H</i>-benzoimidazol-2-ylmethylene)-hydrazide 34779-39-0 C19H16N6O3
    3-methyl-1,4-dioxy-quinoxaline-2-carboxylic acid (1-methyl-1<i>H</i>-benzoimidazol-2-ylmethylene)-hydrazide
    —— 3-Ethylendioxy-20-isopropyloxy-pregna-5,17-dien-16-ol-11-on 102398-64-1 C26H38O5
    3-Ethylendioxy-20-isopropyloxy-pregna-5,17-dien-16-ol-11-on
    —— 3-(3-Chloro-phenylsulfanyl)-1-methyl-piperidine-4-carboxylic acid ethyl ester; compound with (E)-but-2-enedioic acid 24222-36-4 C4H4O4*C15H20ClNO2S
    3-(3-Chloro-phenylsulfanyl)-1-methyl-piperidine-4-carboxylic acid ethyl ester; compound with (E)-but-2-enedioic acid
    —— 3,4,5,6-tetra-O-benzoyl-1,2,7,8-tetradeoxy-D-gulo-octa-1,7-dienitol 352459-16-6 C36H30O8
    3,4,5,6-tetra-O-benzoyl-1,2,7,8-tetradeoxy-D-gulo-octa-1,7-dienitol
    —— 3-[2-(5-methoxy-3-methyl-3<i>H</i>-benzothiazol-2-ylidene)-1-methyl-ethylidene]-1-methyl-1,3-dihydro-indole-2-thione 95003-27-3 C21H20N2OS2
    3-[2-(5-methoxy-3-methyl-3<i>H</i>-benzothiazol-2-ylidene)-1-methyl-ethylidene]-1-methyl-1,3-dihydro-indole-2-thione
    —— 3-(3,5-Dichloro-4-fluoro-phenyl)-2,4-dioxo-imidazolidine-1-carboxylic acid isopropylamide 66654-65-7 C13H12Cl2FN3O3
    3-(3,5-Dichloro-4-fluoro-phenyl)-2,4-dioxo-imidazolidine-1-carboxylic acid isopropylamide
    —— [3-(3-carbamimidoyl-ureido)-2-oxo-azetidin-1-yl]-(4-hydroxy-phenyl)-acetic acid 59509-97-6 C13H15N5O5
    [3-(3-carbamimidoyl-ureido)-2-oxo-azetidin-1-yl]-(4-hydroxy-phenyl)-acetic acid
    —— 3,4-Dimethyl-7-O-(5-methylen-8-oxychinolin)kumarin 58962-65-5 C21H17NO4
    3,4-Dimethyl-7-O-(5-methylen-8-oxychinolin)kumarin
    —— 3-<3,5-Dinitro-benzoyloxy>-19-norcholest-3-en 5534-53-2 C33H46N2O6
    3-<3,5-Dinitro-benzoyloxy>-19-norcholest-3-en
    —— 3-Acetoxymethyl-8-oxo-7-[(1-vinyl-1H-imidazole-2-carbonyl)-amino]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 38173-62-5 C16H16N4O6S
    3-Acetoxymethyl-8-oxo-7-[(1-vinyl-1H-imidazole-2-carbonyl)-amino]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    —— 3,3-Diethylmorpholine 938374-28-8 C8H17NO
    3,3-Diethylmorpholine
    —— 3α-cyanoandrost-3-one-17β-ol 17521-60-7 C20H29NO2
    3α-cyanoandrost-3-one-17β-ol
    —— 3,3-dimethylbutan-2-yl methyl(((pyridin-4-ylmethylene)amino)oxy)phosphinate 57213-73-7 C13H21N2O3P
    3,3-dimethylbutan-2-yl methyl(((pyridin-4-ylmethylene)amino)oxy)phosphinate
    —— 3-Phenyl-4-benzoyl-2-oxa-3-azabicyclo<6.3.0>undec-8-ene 77074-87-4 C22H23NO2
    3-Phenyl-4-benzoyl-2-oxa-3-azabicyclo<6.3.0>undec-8-ene
    —— 3-[(6,7-dimethoxy-2-oxo-1,2-dihydro-quinoline-3-carbonyl)-amino]-4-methyl-benzoic acid 1387641-05-5 C20H18N2O6
    3-[(6,7-dimethoxy-2-oxo-1,2-dihydro-quinoline-3-carbonyl)-amino]-4-methyl-benzoic acid
    —— (3S,3aS,5aR,6R,8R,9bS)-8-Hydroperoxy-6-hydroxy-3,5a,9-trimethyl-3a,4,5,5a,6,7,8,9b-octahydro-3H-naphtho[1,2-b]furan-2-one 85849-55-4 C15H22O5
    (3S,3aS,5aR,6R,8R,9bS)-8-Hydroperoxy-6-hydroxy-3,5a,9-trimethyl-3a,4,5,5a,6,7,8,9b-octahydro-3H-naphtho[1,2-b]furan-2-one
    —— (3-hydroxy-5-hydroxymethyl-2-methylpyridin-4-ylmethyl)carbamic acid tert-butyl ester 210034-86-9 C13H20N2O4
    (3-hydroxy-5-hydroxymethyl-2-methylpyridin-4-ylmethyl)carbamic acid tert-butyl ester
    —— 3-acetoxy-17β-hydroxy-17α-(α-hydroxyacetyl)estra-1,3,5(10)-trien 100849-72-7 C22H28O5
    3-acetoxy-17β-hydroxy-17α-(α-hydroxyacetyl)estra-1,3,5(10)-trien
    —— [3-(10,11-Dihydro-dibenzo[a,d]cyclohepten-5-ylidene)-propyl]-dimethyl-(2-methyl-acryloyloxymethyl)-ammonium; chloride 76637-17-7 C25H30NO2*Cl
    [3-(10,11-Dihydro-dibenzo[a,d]cyclohepten-5-ylidene)-propyl]-dimethyl-(2-methyl-acryloyloxymethyl)-ammonium; chloride
    —— 3-O-benzyl-α4,α5-di-O-allyl-6-(trifluoromethyl)pyridoxine 1392100-16-1 C22H24F3NO3
    3-O-benzyl-α4,α5-di-O-allyl-6-(trifluoromethyl)pyridoxine
    —— 3-amino-4,5-bis(aminomethyl)2-methylpyridine trihydrochloride 90330-16-8 C8H14N4*3ClH
    3-amino-4,5-bis(aminomethyl)2-methylpyridine trihydrochloride
    —— 3'-cyclohexyl-3',4'-dihydro-2'H-(17βH)-19-nor-pregna-1(10),4-dien-20-yno[2,3-e][1,3]oxazin-17-ol 105044-34-6 C28H37NO2
    3'-cyclohexyl-3',4'-dihydro-2'H-(17βH)-19-nor-pregna-1(10),4-dien-20-yno[2,3-e][1,3]oxazin-17-ol
    —— 3-(morpholine-4-sulfonyloxy)-(17β<i>H</i>)-19-nor-pregna-1,3,5(10)-trien-20-yn-17-ol 28790-31-0 C24H31NO5S
    3-(morpholine-4-sulfonyloxy)-(17β<i>H</i>)-19-nor-pregna-1,3,5(10)-trien-20-yn-17-ol
    —— 3-(3-Oxobutyl)-2-<3-(oxobutyl)-2-indolinyl>-indol 30697-06-4 C24H26N2O2
    3-(3-Oxobutyl)-2-<3-(oxobutyl)-2-indolinyl>-indol
    —— 3,6-di-O-benzyl-1,2:4,5-di-O-cyclohexylidene-myo-inositol 23486-92-2 C32H40O6
    3,6-di-O-benzyl-1,2:4,5-di-O-cyclohexylidene-myo-inositol
    —— 3-pyridin-2-ylazetidine-3-carbonitrile hydrochloride 869811-58-5 C9H9N3*ClH
    3-pyridin-2-ylazetidine-3-carbonitrile hydrochloride
    —— 3-[(S)-4-(tert-Butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-propan-1-ol 512778-19-7 C15H32O4Si
    3-[(S)-4-(tert-Butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-propan-1-ol
    —— (3-butenoxy)diisopropylsilyl chloride 676164-97-9 C10H21ClOSi
    (3-butenoxy)diisopropylsilyl chloride
    —— 3-[3-(4-Methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-1-methyl-3-trimethylsilanyloxy-propyl]-cyclopent-2-enone 83914-17-4 C21H30O3Si
    3-[3-(4-Methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-1-methyl-3-trimethylsilanyloxy-propyl]-cyclopent-2-enone
    —— (3-chloro-phenyl)-(3,5-dinitro-thiophen-2-yl)-amine 21817-44-7 C10H6ClN3O4S
    (3-chloro-phenyl)-(3,5-dinitro-thiophen-2-yl)-amine
    —— 3-allyl-3-phenyl-1,4-dioxaspiro<4,5>decan-2-one 141340-15-0 C17H20O3
    3-allyl-3-phenyl-1,4-dioxaspiro<4,5>decan-2-one
    —— 3-Amino-1,1-difluoro-4-phenyl-butan-2-ol; hydrochloride 102195-97-1 C10H13F2NO*ClH
    3-Amino-1,1-difluoro-4-phenyl-butan-2-ol; hydrochloride
    —— 3-((4-cyanotetrahydro-2H-pyran-4-yl)oxy)propyl diethyl phosphate 1430413-17-4 C13H24NO6P
    3-((4-cyanotetrahydro-2H-pyran-4-yl)oxy)propyl diethyl phosphate
    —— 3'-amino-3'-deoxy-3'-[(3''R)-N-Fmoc-3''-fluoro-L-phenylalanyl]-N(6),N(6)-dimethyladenosine 1132645-31-8 C36H36FN7O6
    3'-amino-3'-deoxy-3'-[(3''R)-N-Fmoc-3''-fluoro-L-phenylalanyl]-N(6),N(6)-dimethyladenosine
    —— 3'-O-acetyl-5'-O-t-butyldimethylsilyl-2'-deoxyuridine 1140622-65-6 C17H28N2O6Si
    3'-O-acetyl-5'-O-t-butyldimethylsilyl-2'-deoxyuridine
    —— 3-[(4-methoxybenzyl)oxy]-4'-phenyl-[1,2']bipyridinyl-4-one 1333331-88-6 C24H20N2O3
    3-[(4-methoxybenzyl)oxy]-4'-phenyl-[1,2']bipyridinyl-4-one
    —— 3-(2-butenyloxy)-4,5-bis(hydroxymethyl)-2-methylpyridine 128175-29-1 C12H17NO3
    3-(2-butenyloxy)-4,5-bis(hydroxymethyl)-2-methylpyridine
    —— 3'-Phenethyl-2',4'-dihydro-17β-hydroxy-17α-ethinyl-1,3,5(10)-oestratrieno[2.3-e]-1'.3'-oxazin 106766-20-5 C30H35NO2
    3'-Phenethyl-2',4'-dihydro-17β-hydroxy-17α-ethinyl-1,3,5(10)-oestratrieno[2.3-e]-1'.3'-oxazin
    —— 3-O-TBDMS-17S,20R-dihydrofusidic acid 368859-53-4 C37H64O6Si
    3-O-TBDMS-17S,20R-dihydrofusidic acid
    —— 3,3'-dihydroxy-4,5,4',5'-tetrakis-hydroxymethyl-2,2'-dimethyl-1,1'-but-2-enediyl-bis-pyridinium; dibromide 112554-91-3 2Br*C20H28N2O6
    3,3'-dihydroxy-4,5,4',5'-tetrakis-hydroxymethyl-2,2'-dimethyl-1,1'-but-2-enediyl-bis-pyridinium; dibromide
    —— 3β-acetoxy-21-nor-5β.14β.17βH-pregnanoic acid-(20) 1092553-72-4 C22H34O4
    3β-acetoxy-21-nor-5β.14β.17βH-pregnanoic acid-(20)
    —— (3S,3aR,3a1R,6aR,7S,7aR,9R,11aR,11bS)-9-azido-7-hydroxy-5,5,8,8-tetramethyl-15-methylene-2,3,3a,7,7a,8,9,11b-octahydro-1H-6a,11a-(epoxymethano)-3,3a1-ethanophenanthro[1,10-de][1,3]dioxin-14-one 1446494-95-6 C23H29N3O5
    (3S,3aR,3a1R,6aR,7S,7aR,9R,11aR,11bS)-9-azido-7-hydroxy-5,5,8,8-tetramethyl-15-methylene-2,3,3a,7,7a,8,9,11b-octahydro-1H-6a,11a-(epoxymethano)-3,3a1-ethanophenanthro[1,10-de][1,3]dioxin-14-one
    —— (3S,4aR)-3,4,4a,5-tetrahydrobenzo[b][1,6]naphthyridine-1,3-dicarboxylic acid 1283084-33-2 C14H12N2O4
    (3S,4aR)-3,4,4a,5-tetrahydrobenzo[b][1,6]naphthyridine-1,3-dicarboxylic acid