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    中文名称 英文名称 CAS号 化学式
    2,3,4,5,6-五溴苯基丁酸酯 pentabromophenyl butyrate 83929-71-9 C10H7Br5O2
    2,3,4,5,6-五溴乙苯 2,3,4,5,6-pentabromoethylbenzene 85-22-3 C8H5Br5
    2,3,4,5,6-五氟苯磺酰氯 pentafluorobenzenesulonyl chloride 832-53-1 C6ClF5O2S
    2,3,4,5,6-五氟碘苯 1,2,3,4,5-pentafluoro-6-iodobenzene 827-15-6 C6F5I
    2,3,4,5,6-五氟-4'-氨基二苯醚 2,3,4,5,6-pentafluoro-4'-aminodiphenyl ether 82492-39-5 C12H6F5NO
    2,3,4,4-四甲基-1,3-恶唑烷 2,3,4,4-tetramethyl-1,3-oxazolidine 87020-11-9 C7H15NO
    2,3,3-三甲基-6-(三氟甲基)-3H-吲哚 2,3,3-trimethyl-6-(trifluoromethyl)-3H-indole 81558-23-8 C12H12F3N
    2,3,3-三甲基-3H-吲哚-5-羧酸钠 Sodium 2,3,3-trimethyl-3H-indole-5-carboxylate 84100-85-6 C12H12NNaO2
    2,3,3-三甲基-3H-吲哚-5-羧酸 2,3,3-trimethyl-5-carboxy-3H-indole 84100-84-5 C12H13NO2
    2,3,3-三甲基-2-降冰片基异硫氰酸酯 Isocamphanyl-isothiocyanat-(3) 86239-97-6 C11H17NS
    2,3,3-三甲基-2-(1-丙炔-1-基)氧杂环丁烷 2,3,3-Trimethyl-2-prop-1-ynyloxetane 80992-49-0 C9H14O
    2,3,3-三溴-3-苯基-丙酸 2,3,3-tribromo-3-phenyl-propionic acid 861362-81-4 C9H7Br3O2
    2,3,3-三氯丙烯酰氯 2,3,3-trichloroacryloyl chloride 815-58-7 C3Cl4O
    2,3,3-三氯-2-溴丁烷 2,3,3-trichloro-2-bromobutane 85035-65-0 C4H6BrCl3
    2,3,3-三氟败脂酸 Dimethyl-dithiomalonsaeure-diamid 89715-18-4 C5H10N2S2
    2,3,3-三氟-N,N-二甲基丙烯酰基酰胺 4-Thiazolecarboxamide, thio-, 1-oxide 89602-34-6 C4H4N2OS2
    2,3,3',4,4',5,6-七溴联苯醚 2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-8-amine 886366-73-0 C9H13N3
    2,3,3',4,4',5,5'-七溴联苯 2,3,3',4,4',5,5'-Heptabromobiphenyl 88700-06-5 C12H3Br7
    2,3'-联吡啶]-6-羧酸甲酯 methyl 2,3'-dipyridine-6'-carboxylate 845827-15-8 C12H10N2O2
    2,3'-二氯-2-亚硝基-苯乙酮 2-Chloro-1-(3-chloro-phenyl)-2-nitroso-ethanone 89978-14-3 C8H5Cl2NO2
    2,3'-二(4-联苯基)联苯 2,3'-di(4-biphenylyl)biphenyl 84226-50-6 C36H26
    2,3',4,4',5'-五溴联苯基 phomenolactone 83652-16-8 C34H56O7
    2,2′,2″,2′′′-(1,2-亚苯基双[(1S,3S)-四氢-5,8-二氧代-1H-[1,2,4]二氮杂磷杂环戊基[1,2-A]哒嗪-2,1,3(3H)-三基])四(N-[(1S)-1-苯乙基])苯甲酰胺 Bis[(S,S,S)-DiazaPhos-SPE] 851770-14-4 C78H72N8O8P2
    2,2’-联吡啶-4,4’-二丙烯酸 4,4'-bis(E-carboxyvinyl)-2,2'-bipyridine 845307-48-4 C16H12N2O4
    2,2’-亚甲基双(4,6-二叔丁基苯基)磷酸酯钠 —— 85209-91-2 C29H43NaO4P
    2,2’-二氯联苯胺 2,2'-dichlorobenzidine 84-68-4 C12H10Cl2N2
    2,2’-[[2,2-二(氯甲基)-1,3-亚丙基]双氧]双(5,5-二甲基)-1,3-二氧杂-2-亚磷基环己烷-2,2’-二氧化物 2,2'-((2,2-Bis(chloromethyl)propane-1,3-diyl)bis(oxy))bis(5,5-dimethyl-1,3,2-dioxaphosphorinane) 2,2'-dioxide 83044-97-7 C15H28Cl2O8P2
    2,2’-[(9,10-二氢-9,10-二氧代-1,5-蒽二基)二亚氨基]二苯甲酸 1,5-Bis(2-carboxyanilino)-9,10-anthracenedione 81-78-7 C28H18N2O6
    2,2’-(1,2-乙二基)双[5-(4-氯-6-甲氧基-1,3,5-三嗪-2-基)氨基]苯磺酸钠盐与2-氨基乙烷磺酸单钠和(二羟乙基)胺的反应产物 trisodium;2-aminoethanesulfonic acid;5-[(4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino]-2-[(E)-2-[4-[(4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid;2-(2-hydroxyethylamino)ethanol 82640-05-9 C28H36Cl2N10Na3O13S3+3
    2,2`:5`,2``-三噻吩-5,5″-二硼酸 2,2':5,2''-terthiophene-5,5''-diboronic acid 853685-99-1 C12H10B2O4S3
    2,2:5,2-三联噻吩-5-硼酸频那醇酯 2,2':5',2''-terthiophene-5-boronic acid pinacol ester 849062-17-5 C18H19BO2S3
    2,2-联吡啶-5,5-酰氯 5,5'-(2,2'-bipyridine)diacid chloride 82799-91-5 C12H6Cl2N2O2
    2,2-双[4-(3-氨基苯氧基)苯基]丙烷 2,2-bis[4-(3-aminophenoxy)phenyl]propane 87880-61-3 C27H26N2O2
    2,2-双(叔丁基过氧)辛烷 2,2-bis (t-butyl peroxy) octane 87816-79-3 C16H34O4
    2,2-双(三氟甲基)-4,4-二碘联苯 2,2'-bis(trifluoromethyl)-4,4'-diiodobiphenyl 89803-70-3 C14H6F6I2
    2,2-双(4-碘苯基)丙烷 2,2-bis(4-iodophenyl)propane 82789-74-0 C15H14I2
    2,2-双(4-甲氧基苯基)乙胺 2,2-bis(p-methoxyphenyl)ethylamine 85336-83-0 C16H19NO2
    2,2-双(4-氯苯基)乙胺 2,2-bis(4-chlorophenyl)ethanamine 85336-82-9 C14H13Cl2N
    2,2-双(4-氟苯基)环氧乙烷 2,2-bis(4-fluorophenyl)oxirane 82144-12-5 C14H10F2O
    2,2-双(3-氨基-4-羟基苯基)六氟丙烷 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane 83558-87-6 C15H12F6N2O2
    2,2-亚乙二氧基-1-庚醇 2,2-ethylenedioxy-1-heptanol 82542-29-8 C9H18O3
    2,2-二苯基戊酸 SKF 2314 841-32-7 C17H18O2
    2,2-二苯基四氢呋喃 2,2-diphenyl-tetrahydro-furan 887-15-0 C16H16O
    2,2-二苯基乙醛腙 2,2-diphenylethanal hydrazone 87086-85-9 C14H14N2
    2,2-二苯基乙烯基亚磺酸 2,2-diphenylvinylsulfinic acid 81423-93-0 C14H12O2S
    2,2-二苯基乙烯基(S)-2-苯基丁酸酯 2,2-diphenylethenyl (2S)-2-phenylbutanoate 865363-42-4 C24H22O2
    2,2-二苯基乙烯基(R)-2-苯基丙酸酯 2,2-diphenylvinyl (R)-2-phenylpropanoate 865363-52-6 C23H20O2
    2,2-二苯基-2-乙氧基乙基溴 2,2-diphenyl-2-ethoxyethyl bromide 87273-89-0 C16H17BrO
    2,2-二苯基-1-硫杂-3-氮杂-2-硅杂环戊烷 1-Thia-3-aza-2-silacyclopentane, 2,2-diphenyl- 84260-35-5 C14H15NSSi
    2,2-二羟基-3,3,3-三氯丙酸 2,2-dimethyl-1-(5-pyrimidinyl)propanol 83621-30-1 C9H14N2O