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    中文名称 英文名称 CAS号 化学式
    2,2’-[(2,2’5,5’-四氯[1,1’-联苯]-4,4’-二基)双(偶氮)]双[N-(4-氯-2-甲基苯基)-3-氧代-丁酰胺 2,2'-[(2,2',5,5'-tetrachloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-o-tolyl)-3-oxobutyramide] 14359-20-7 C34H26Cl6N6O4
    2,2’-[(1-甲基亚乙基)双[(2,6-二溴-4,1-亚苯基)氧亚甲基]]联(二)环氧乙烷的均聚物 Epon 1124A80 109675-38-9 C21H24Br4O4
    2,2’-[(1-甲基亚乙基)双(4,1-环亚己基氧基亚甲基)]双环氧乙烷 2,2'-bis(4-hydroxycyclohexyl)propane glycidyl ether 13410-58-7 C21H36O4
    2,2’-[(1-甲基乙基)亚氨基]二乙醇 N,N-bis(2-hydroxyethyl)isopropylamine 121-93-7 C7H17NO2
    2,2’-[(1,8-二氧代-4-辛烯-1,8-二基)双(氧基-3,1-丙二基)]双[1,2,3,4-四氢-6,7-二甲氧基-2-甲基-1-[(3,4,5-三甲氧基苯基)甲基]异喹啉 bis[3-[6,7-dimethoxy-2-methyl-1-[(3,4,5-trimethoxyphenyl)methyl]-3,4-dihydro-1H-isoquinolin-2-ium-2-yl]propyl] oct-4-enedioate 106791-40-6 C58H80N2O14+2
    2,2’-4-三羟基二苯甲酮 2,2',4-Trihydroxybenzophenone 13087-18-8 C13H10O4
    2,2’-(苄基亚氨基)二乙醇 N-benzyl-diethanolamine 101-32-6 C11H17NO2
    2,2’-(4-溴-1-亚丁烯基)双[3-甲基噻吩] 4,4-bis(3-methyl-thiophen-2-yl)-but-3-en-1-yl bromide 109857-81-0 C14H15BrS2
    2,2’-(1-苄基哌啶-4,4-二基)二乙醇 1-benzylpiperidine-4,4-diethanol 160133-33-5 C16H25NO2
    2,2’-(1,4-亚苯基)双-4H-3,1-苯并恶嗪-4-酮 cyassorb 3638 18600-59-4 C22H12N2O4
    2,2’,4,4’-四硝基二苯基甲烷 2,2',4,4'-tetranitrodiphenylmethane 1817-76-1 C13H8N4O8
    2,2’,3,4,4’,6,6’-七溴联苯醚 Benzene, 1,2,3,5-tetrabromo-4-(2,4,6-tribromophenoxy)- 117948-63-7 C12H3Br7O
    2,2’,2’’-次氮基三乙基钛酸酯 triethanolamine titanate 15879-01-3 C6H12NO3*HO*Ti
    2,2a-二氢-1H-氮杂环丁烷并[1,2-a]喹喔啉-1,3(4H)-二酮 2,2a-dihydro-1H-azeto<1,2-a>quinoxaline-1,3(4H)-dione 111781-86-3 C10H8N2O2
    2,2a,3,4-四氢-1H-氮杂环丁烷并[1,2-a]喹喔啉-1-酮 2,2a,3,4-tetrahydro-1H-azeto<1,2-a>quinoxalin-1-one 111781-91-0 C10H10N2O
    2,2-苯并噻唑 2,2'-bisbenzo[d][1,3]-thiazolidyl 19258-20-9 C14H12N2S2
    2,2-联苯二胺 1,1'-biphenyl-2,2'-diamine 1454-80-4 C12H12N2
    2,2-联噻吩-5-硫代甲酰胺 2,2'-Bithiophene-5-carbothioamide 128275-04-7 C9H7NS3
    2,2-联吡啶-5-羧酸 2,2'-bipyridine-5-carboxylic acid 1970-80-5 C11H8N2O2
    2,2-联吡啶-5-甲腈 (2,2'-bipyridine)-5-carbonitrile 1802-28-4 C11H7N3
    2,2-联吡啶-4,4-（5-己基-2-噻吩） 4,4'-bis(5-hexylthiophen-2-yl)-2,2'-bipyridine 1047684-56-9 C30H36N2S2
    2,2-硫双(5-氨基苯磺酸) 5,5'-diamino-2,2'-sulfanediyl-bis-benzenesulfonic acid 118-86-5 C12H12N2O6S3
    2,2-吖丁啶二羧酸,1-(4-氰基苯基)-4-羰基-,二乙基酯 4,4-Bis(ethoxycarbonyl)-1-(p-cyanophenyl)azetidin-2-one 140405-40-9 C16H16N2O5
    2,2-双（氨基乙氧基）丙烷 2,2-bis(2-aminoethoxy)propane 127090-71-5 C7H18N2O2
    2,2-双吡咯烷 (S,S)-2,2'-bipyrrolidine 124779-66-4 C8H16N2
    2,2-双二茂铁丙烷 Iron(2+) cyclopenta-2,4-dien-1-ide 2,2'-(propane-1,2-diyl)di(cyclopenta-2,4-dien-1-ide) (2/2/1) 12609-95-9 C23H24Fe2
    2,2-双[[(辛酰基)氧]甲基]1,3-丙二醇二癸烯酯 pentaerythritol tetradecanoate 13784-61-7 C45H84O8
    2,2-双[[(1-羰基戊基)氧基]甲基]-1,3-丙二基二戊酸酯 pentaerythritol tetrapentanoate 15834-04-5 C25H44O8
    2,2-双[4-(4-氨基苯氧基)苯基]丙烷 2,2-bis-{4-(4-aminophenoxy)phenyl}propane 13080-86-9 C27H26N2O2
    2,2-双-(4-甘胺氧苯)丙烷 diphenylolpropane diglycidyl ether 1675-54-3 C21H24O4
    2,2-双(苄氧基)联苯 2,2-bis(benzyloxy)biphenyl 109174-19-8 C26H22O2
    2,2-双(羟基甲基)丙二酸 bis-hydroxymethyl-malonic acid 173783-71-6 C5H8O6
    2,2-双(氯甲基)环氧乙烷 1-Chloro-2,3-epoxy-2-chloromethylpropane 1003-20-9 C4H6Cl2O
    2,2-双(氟甲基)-6-(三氟甲基)-2H-1-苯并吡喃-4-羧酸 2,2-bis(fluoromethyl)-6-(trifluoromethyl)-2H-1-benzopyran-4-carboxylic acid 152661-72-8 C13H9F5O3
    2,2-双(对羟基苯基)乙醛 2,2-bis(p-hydroxyphenyl)acetaldehyde 103707-82-0 C14H12O3
    2,2-双(对甲基苯)丙烷 2,2-Di-<i>p</i>-tolyl-propan 1823-31-0 C17H20
    2,2-双(丙烷-2-基)6,6-甲氧基螺环[3.3]庚烷E-2,2-二甲酸 2,2-Bis(propan-2-yl) 6,6-dimethoxyspiro[3.3]heptane-2,2-dicarboxylate 1118786-87-0 C17H28O6
    2,2-双(三甲基硅基)二噻烷 2,2-bis(trimethylsilyl)-1,3-dithiane 13411-46-6 C10H24S2Si2
    2,2-双(三甲基甲硅烷基氧基)-1,1-联萘 2,2'-bis(trimethylsiloxy)-1,1'-bi-2-naphthyl 156568-04-6 C26H30O2Si2
    2,2-双(三氟甲基)丙酰胺 3,3,3-Trifluoro-2-methyl-2-(trifluoromethyl)propanoyl fluoride 1735-87-1 C5H3F7O
    2,2-双(三氟甲基)丁酰氟 2,2-bis(trifluoromethyl)butanoyl fluoride 14316-81-5 C6H5F7O
    2,2-双(三氟甲基)-1,3-二氧戊环 2,2-bis(trifluoromethyl)-1,3-dioxolane 1765-26-0 C5H4F6O2
    2,2-双(N-马来酰亚胺乙基氧基)丙烷 2,2-bis(2-maleimidoethoxy)-propane 118377-62-1 C15H18N2O6
    2,2-双(7-溴-1H-吲哚-3-基)乙醇 2,2-bis(7-bromo-1H-indole-3-yl)ethanol 1445721-33-4 C18H14Br2N2O
    2,2-双(4-羧基苯基)六氟丙烷 2,2-bis(4-carboxyphenyl)hexafluoropropane 1171-47-7 C17H10F6O4
    2,2-双(4-羧基-3-硝基苯基)六氟丙烷 2,2-bis-(4-carboxy-3-nitrophenyl)-hexafluoropropane 115873-09-1 C17H8F6N2O8
    2,2-双(4-羟基苯基)-1,1-二氯乙烯 1,1-dichloro-2,2-bis(4-hydroxyphenyl)ethylene 14868-03-2 C14H10Cl2O2
    2,2-双(4-羟基-3-异丙苯基)丙烷 bisphenol G 127-54-8 C21H28O2
    2,2-双(4-甲基苯基)六氟丙烷 2,2-bis(4-methylphenyl)hexafluoropropane 1095-77-8 C17H14F6
    2,2-双(4-氰氧苯基)丙烷 2,2-bis(4-cyanatophenyl)propane 1156-51-0 C17H14N2O2