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    中文名称 英文名称 CAS号 化学式
    2-（3,4-二甲氧基苯基）乙基异氰酸酯 2-(3,4-dimethoxyphenyl)ethyl isocyanide 63609-01-8 C11H13NO2
    2-（3,4-二氯苯基）-2-甲基丙酸甲酯 methyl 2-(3',4'-dichlorophenyl)-2-methylpropionate 66202-88-8 C11H12Cl2O2
    2-（3,4-二氯苯基）-2-甲基丙酸 α,α-Dimethyl-(3,4-dichloro-phenyl)-acetic acid 80854-22-4 C10H10Cl2O2
    2-（3,4-二氯苯基）-2,2-二氟乙酸乙酯 2-(3,4-dichlorophenyl)-2,2-difluoroacetic acid ethyl ester 56177-76-5 C10H8Cl2F2O2
    2-（3,4-二氢-2H-1,5-苯并二恶英-7-基）吡咯烷 2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)pyrrolidine 851788-21-1 C13H17NO2
    2-（3,4-二氟苯基）-2-甲基丙酸 1-(3,4-difluorophenyl)-2,2-dimethylacetic acid 306761-55-7 C10H10F2O2
    2-（2-（4-甲氧基苯基）乙炔基）苯甲醛 2-(4-methoxyphenylethynyl)benzaldehyde 176910-67-1 C16H12O2
    2-（2-羟乙基）苯基三氟硼酸钾 Potassium 2-(2-hydroxyethyl)phenyltrifluoroborate 1015082-79-7 C8H9BF3KO
    2-（2-甲氧基苯基）-1-甲基-3-二苯基膦基）-1H-吲哚PPh2-Andole-Phos 2-(2-methoxyphenyl)-1-methyl-3-(diphenyphosphino)-1H-indol 1242759-01-8 C28H24NOP
    2-（2-甲基哌啶-1-基）丙烷-1-醇 2-(2-Methylpiperidin-1-YL)propan-1-OL 33742-65-3 C9H19NO
    2-（2-甲基-3-氧代--苯基-2-呋喃基）乙酸 2-Carboxymethyl-2-methyl-5-phenyl-3(2H)-furanon 60248-78-4 C13H12O4
    2-（2-溴异丁氧基）甲基丙烯酸乙酯 2-(2-bromoisobutyryloxy)ethyl methacrylate 213453-08-8 C10H15BrO4
    2-（2-溴-4-甲氧基苯氧基）乙腈 2-(2-Bromo-4-methoxyphenoxy)acetonitrile 951918-37-9 C9H8BrNO2
    2-（2-氯苯基）氢醌水合物 2-(2-Chlorophenyl)hydroquinone hydrate 305808-20-2 C12H11ClO3
    2-（2-氯苯基）-4-甲基-5-噻唑羧酸乙酯 ethyl 2-(2-chlorophenyl)-4-methylthiazole-5-carboxylate 338982-17-5 C13H12ClNO2S
    2-（2-氯苯基）-2-溴乙酸甲酯 methyl 2-(2-bromo-4-chlorophenyl)acetate 115871-49-3 C9H8BrClO2
    2-（2-氯苯基）-2,2-二氟乙酸乙酯 2-(2-chlorophenyl)-2,2-difluoroacetic acid ethyl ester 1248075-48-0 C10H9ClF2O2
    2-（2-氯乙酰基）苯酚 2-(2-chloroacetyl)phenol 53074-73-0 C8H7ClO2
    2-（2-氟苯基）-1H-1,3-苯并二唑 2-(2-fluorophenyl)-1H-benzo[d]imidazole 321-51-7 C13H9FN2
    2-（2-异丁基-6-喹啉基氧基-8-对甲苯磺酰胺基）乙酸乙酯 Ethyl 2-(2-Isobutyl-6-quinolyloxy-8-p-toluenesulfonamido)acetate 316124-91-1 C24H28N2O5S
    2-（2-吡啶基）-6-氯-4-氨基嘧啶 6-chloro-2-(2-pyridin-2-yl)pyrimidin-4-ylamine 1014720-73-0 C9H7ClN4
    2-（2-乙氧基-3-甲基-3H-吲哚-3-基）乙醇 2-(2-Ethoxy-3-methyl-3H-indol-3-yl)ethan-1-ol 88433-15-2 C13H17NO2
    2-（2,4-二羟苯基）-5,7-二羟基-3-（3-甲基-2-丁烯-1-基）-4H-铬-4-酮 albanin A 73343-42-7 C20H18O6
    2-（2,4-二氟苯基）-5-甲基吡啶 2-(2,4-difluorophenyl)-5-methylpyridine 583052-21-5 C12H9F2N
    2-（2,2,3,4,4,4-六氟丁氧基）乙醇 1,1,1,2,3,3-hexafluoro-4-(2'-hydroxy)ethoxybutane 63693-10-7 C6H8F6O2
    2-（2,2,2-三氟乙氧基）苯胺 2-(2,2,2-trifluoroethoxy)aniline 57946-60-8 C8H8F3NO
    2-（10-溴代蒽醌-9-基）吡啶 2-(10-bromoanthracen-9-yl)pyridine 1314565-21-3 C19H12BrN
    2-（1-氟萘-4-基）-4,4,5,5-四甲基-1,3,2-二氧杂硼烷 2-(4-fluoronaphthalen-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 627526-35-6 C16H18BFO2
    2-（1,1-二乙氧基乙基）吡啶-3-硼酸频哪醇酯 2-(1,1-Diethoxyethyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 1073355-12-0 C17H28BNO4
    2-高哌嗪基-3-三氟甲基吡啶 1-(3-(trifluoromethyl)pyridin-2-yl)-1,4-diazepane 243666-15-1 C11H14F3N3
    2-高哌啶基-甲基-3-(2-甲苯基)-4-(3H)-6-碘喹唑酮 2-((Hexahydro-1H-azepin-1-yl)methyl)-6-iodo-3-(2-methylphenyl)-4(3H)-quinazolinone 80930-91-2 C22H24IN3O
    2-高哌啶-1-基丙酸盐酸盐 2-(azepan-1-ium-1-yl)propanoate —— C9H17NO2
    2-高吗啉甲酸盐酸盐 2-Homomorpholinecarboxylic acid hydrochloride 1186663-62-6 C6H12ClNO3
    2-高吗啉甲酸甲酯 Methyl 1,4-oxazepane-2-carboxylate 1141669-57-9 C7H13NO3
    2-马鞭草基氢过氧化物 2-Hydroperoxy-pinan 5405-84-5 C10H18O2
    2-马来酰亚胺基苯甲酸 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoic acid 6957-51-3 C11H7NO4
    2-马来酰亚胺基乙酸 <i>N</i>,<i>N</i>-maleoyl-glycine 25021-08-3 C6H5NO4
    2-马来酰亚胺乙酸肼 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetohydrazide 765868-52-8 C6H7N3O3
    2-降莰烷甲醇 exo-hydroxymethylnorbornane 5240-72-2 C8H14O
    2-降莰烷甲腈 2-norbornanecarbonitrile 2234-26-6 C8H11N
    2-降莰烷乙酸 2-norbornyl acetic acid 1007-01-8 C9H14O2
    2-降冰片烷磺酰胺 1.4-Endomethylencyclohexan-2-sulfonamid 7167-09-1 C7H13NO2S
    2-降冰片烷甲酰氯 bicyclo[2.2.1] heptane-2-carbonyl chloride 35202-90-5 C8H11ClO
    2-降冰片烯-5-基乙酰乙酸酯 2-norbornen-5-yl acetoacetate 93304-63-3 C11H14O3
    2-降冰片基 2-norbornyl 30967-37-4 C7H11
    2-阿氨基乙醇酯 2-aminoethylthiosulfonic acid 2937-53-3 C2H7NO3S2
    2-间甲苯氨基噻唑-4-酮 2-(3-tolylimino)-1,3-thiazol-4-one 27052-16-0 C10H10N2OS
    2-间甲苯氧基甲基-[1,3]二氧杂烷 2-m-Tolyloxymethyl-[1,3]dioxolane 850348-74-2 C11H14O3
    2-间甲苯基苯并咪唑 2-(m-tolyl)-1H-benzo[d]imidazole 6528-83-2 C14H12N2
    2-间甲苯基喹啉 2-(m-tolyl)quinoline 24641-30-3 C16H13N