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    中文名称 英文名称 CAS号 化学式
    2-(4,5-二甲基-1,3-噻唑-3-鎓-3-基)-1-苯乙酮溴化物 3-(2-phenyl-2-oxoethyl)-4,5-dimethylthiazolium bromide 181069-80-7 Br*C13H14NOS
    2-(4,5-二氯-1H-咪唑-1-基)乙酸乙酯 Ethyl 2-(4,5-dichloro-1H-imidazol-1-yl)acetate 175137-67-4 C7H8Cl2N2O2
    2-(4,5-二氯-1H-咪唑-1-基)乙腈 (4,5-dichloro-imidazol-1-yl)-acetonitrile 159088-44-5 C5H3Cl2N3
    2-(4,5-二氯-1H-咪唑-1-基)乙肼 2-(4,5-Dichloro-1H-imidazol-1-yl)ethanohydrazide 175137-68-5 C5H6Cl2N4O
    2-(4,5-二氯-1H-咪唑-1-基)乙硫酰胺 2-(4,5-Dichloro-1H-imidazol-1-yl)ethanethioamide 175201-50-0 C5H5Cl2N3S
    2-(4,5-二氯-1H-咪唑-1-基)-N-羟基乙酰胺 2-(4,5-dichloroimidazol-1-yl)-N-hydroxyacetamide 175201-80-6 C5H5Cl2N3O2
    2-(4,5-二氨基-3-甲基吡唑-1-基)乙醇 4,5-diamino-1-(β-hydroxyethyl)-3-methylpyrazole 132026-22-3 C6H12N4O
    2-(4,5-二氢咪唑-2-基)喹啉盐酸盐 2-(2-imidazolin-2-yl)quinoline 187173-05-3 C12H11N3
    2-(4,5-二氢呋喃-2-基)-4,4,5,5-四甲基-1,3,2-二氧杂硼烷 4,5-二氢-5-呋喃基硼酸频哪醇酯 2,3-dihydro-5-furylboronic acid pinacol ester 1046812-02-5 C10H17BO3
    2-(4,5-二氢-4-甲基-4-(1-甲基乙基)-5-氧代-1H-咪唑-2-基)-5-甲基-3-吡啶羧酸单铵盐 2-(4,5-Dihydro-4-methyl-4-isopropyl-5-oxo-1H-imidazol-2-yl)-5-methyl-3-pyridinecarboxylic acid monoammonium salt 115136-53-3 C14H20N4O3
    2-(4,5-二氢-4,4-二甲基-2-恶唑基)吡啶 4,4-dimethyl-2-(pyridin-2-yl)-2-oxazoline 109660-12-0 C10H12N2O
    2-(4,5-二氢-1H-咪唑-2-基)酚 2-(2-imidazolinyl)phenol 1565-39-5 C9H10N2O
    2-(4,5-二氢-1H-咪唑-2-基)-5-甲基-1H-苯并咪唑 2-(2-Imidazolin-2-yl)5-methylbenzimidazol 14483-91-1 C11H12N4
    2-(4,5-二氢-1H-咪唑-2-基)-2,3-二氢-1,4-苯并二氧杂环己-7-胺 3-(4,5-Dihydro-1h-imidazol-2-yl)-2,3-dihydro-1,4-benzodioxin-6-amine 149970-48-9 C11H13N3O2
    2-(4,5-二氢-1H-咪唑-2-基)-1-甲基-1H-苯并咪唑 1-Methyl-2-(2-imidazolinyl-(2))-benzimidazol 14483-96-6 C11H12N4
    2-(4,5-二氢-1H-咪唑-2-基)-1,3-苯并噻唑 2-<2-Imidazolinyl-(2)>benzothiazol 14484-05-0 C10H9N3S
    2-(4,5-二氢-1,3-恶唑-2-基)吡啶 2-(pyridin-2-yl)-4,5-dihydrooxazole 119165-69-4 C8H8N2O
    2-(4,5-二氢-1,3-噻唑-2-基硫基)吡啶-3-醇 2-(3-hydroxy-2-pyridyl)-2-thiothiazoline 153334-55-5 C8H8N2OS2
    2-(4,5-二氟-2-硝基苯基)乙酸 2-(4,5-Difluoro-2-nitrophenyl)acetic acid 1000339-22-9 C8H5F2NO4
    2-(4,4-二甲基-4,5-二氢-2-恶唑基)喹啉 4,4-dimethyl-2-(quinolin-2-yl)-4,5-dihydrooxazole 109660-13-1 C14H14N2O
    2-(4,4-二甲基-2-亚甲基环戊基)-1-苯基乙酮 2-(4,4-dimethyl-2-methylenecyclopentyl)-1-phenylethanone 1034768-94-9 C16H20O
    2-(4,4-二氟环己基)-(1,1-二甲基乙酯)肼羧酸 tert-butyl 2-(4,4-difluorocyclohexyl)hydrazine-1-carboxylate 1214910-72-1 C11H20F2N2O2
    2-(4,4-二氟戊基)异吲哚-1,3-二酮 2-(4,4-difluoropentyl)isoindoline-1,3-dione 1017241-13-2 C13H13F2NO2
    2-(4,4-二氟哌啶-1-基)-2-苯基乙腈 (4,4-difluoropiperidin-1-yl)(phenyl)acetonitrile 1226998-22-6 C13H14F2N2
    2-(4,4-二氟丁基)异吲哚啉-1,3-二酮 2-(4,4-difluorobutyl)isoindoline-1,3-dione 1265341-14-7 C12H11F2NO2
    2-(4,4-二乙氧基-1-哌啶基)乙胺 1-(2-aminoethyl)-4,4-diethoxypiperidine 141529-06-8 C11H24N2O2
    2-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)-5-(三氟甲基)苯甲醛 5-(trifluoromethyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde 1219936-17-0 C14H16BF3O3
    2-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷-2-基)吲哚[3,2,1-JK]咔唑 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indolo[3,2,1-jk]carbazole 1369369-44-7 C24H22BNO2
    2-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-9H-咔唑 9H-carbazole-2-boronic acid pinacol ester 1242412-60-7 C18H20BNO2
    2-(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-3-吡啶醇 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-ol 1259198-70-3 C11H16BNO3
    2-(4,4,5,5-四甲基-1,3,2-二氧代硼戊环-2-基)-3-己基噻吩-5-醛 4-hexyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carbaldehyde 1402132-40-4 C17H27BO3S
    2-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)苯并[d]噻唑 (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-benzothiazole 1316275-48-5 C13H16BNO2S
    2-(4,4'-二乙酰氧基-二苯甲基)-苯甲酸 2-(bis(4-acetoxyphenyl)methyl)benzoic acid 132794-10-6 C24H20O6
    2-(4'-羟苯基)-2-(4'-甲氧苯基)丙烷 p-<1-(4-methoxyphenyl)-1-methylethyl>phenol 16530-58-8 C16H18O2
    2-(4'-甲氧基-2'-吡啶基)环己酮 2-(4'-methoxy-2'-pyridyl)cyclohexanone 102220-56-4 C12H15NO2
    2-(4'-甲基苯基硫烷基)苯甲酸 2-(4'-Methylphenylthio)benzoic acid 15774-73-9 C14H12O2S
    2-(4'-甲基苯基)丙醛 2-(4-methylphenyl)propanal 122091-55-8 C10H12O
    2-(4'-甲基-2'-吡啶基)环戊酮 2-(4'-methyl-2'-pyridyl)cyclopentanone 102220-45-1 C11H13NO
    2-(4'-溴苯氧基)-1-苯基乙醇 2-(4'-bromophenoxy)-1-phenylethanol 1183711-51-4 C14H13BrO2
    2-(4'-氯-[1,1'-联苯]-2-基)乙酸甲酯 methyl 2-(4′-chloro-[1,1′-biphenyl]-2-yl)acetate 1329489-84-0 C15H13ClO2
    2-(4'-氨基苯基)吡嗪 4-(pyrazin-2-yl)aniline 101986-70-3 C10H9N3
    2-(4'-氨基苄基)咪唑啉 4-(4,5-dihydro-1<i>H</i>-imidazol-2-ylmethyl)-aniline 13623-47-7 C10H13N3
    2-(4'-氨基-4-联苯基)-1H-异吲哚-1,3(2H)-二酮 <i>N</i>-(4'-amino-biphenyl-4-yl)-phthalimide 127784-27-4 C20H14N2O2
    2-(4'-氨基-3'-氯苯基)苯并噻唑 4-benzothiazol-2-yl-2-chlorophenylamine 178804-10-9 C13H9ClN2S
    2-(4'-叠氮四氟苯基)-5-叔-丁基-1,3-二硫烷-二-砜 2-(4-Azido-2,3,5,6-tetrafluorophenyl)-5-(1,1-dimethylethyl)-1,3-dithiane 1,1,3,3-tetraoxide, trans- 152821-27-7 C14H15F4N3O4S2
    2-(4'-叠氮丁基)环戊酮 2-(4'-azidobutyl)cyclopentanone 171737-85-2 C9H15N3O
    2-(4'-叔丁苯基)-5-(4'-联苯基)-1,3,4-恶二唑 2-(4-tert-butylphenyl)-5-(4-biphenylyl)-1,3,4-oxadiazole 15082-28-7 C24H22N2O
    2-(4'-二乙基氨基苯基)苯并噻唑 4-(2-benzothiazolyl)-N,N-diethylbenzenamine 10205-57-9 C17H18N2S
    2-(4'-乙酰氨基苯胺基)萘-6-磺酸 2-[5-[[1-(Carboxymethyl)-2,4,6-trioxo-1,3-diazinan-5-ylidene]amino]-2,4,6-trioxo-1,3-diazinan-1-yl]acetic acid 123533-63-1 C12H9N5O10
    2-(4'-丁氧基苯基)-1-硝基乙烯 2-(4'-butoxyphenyl)-1-nitroethene 115514-08-4 C12H15NO3