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    中文名称 英文名称 CAS号 化学式
    2,2,2-三氟-1-(1,3-噻唑-2-基)乙酮 2-trifluoroacetylthiazole 174824-75-0 C5H2F3NOS
    2,2,2,4,5-五氯苯乙酮 2,2-dichloro-1-(2,4,5-trichlorophenyl)ethan-1-one 1203-86-7 C8H3Cl5O
    2,2,2,2-四氟苯乙酮 2,2,2-trifluoro-1-(2-fluorophenyl)ethan-1-one 124004-75-7 C8H4F4O
    2,2,2',2'-四甲氧基乙基二硫醚 bis-(2,2-dimethoxy-ethyl)-disulfane 15890-65-0 C8H18O4S2
    2,2,2',2'-四甲基四氢螺[1,3-二氧戊环-4,6'-[1,3]二氧杂环戊并[4,5-c]吡喃]-7'-醇 1,2:4,5-di-O-isopropylidene-β-D-psicopyranose 18422-54-3 C12H20O6
    2,2,19,19-四甲氧基-8,13-二甲基-4,6,8,10,12,14,16-二十碳七烯-3,18-二酮 8,13-Dimethyl-2,2,,19,19-tetramethoxyicosa-4,6,8,10,12,14,16-heptaene-3,18-dione 141290-93-9 C26H36O6
    2,2,15,15-四甲基-3,14-二氧杂-2,15-二硅杂十六烷 1,10-decanediol bis(trimethylsilyl ether) 18546-99-1 C16H38O2Si2
    2,2,13,13-四甲基-3,12-二氧杂-2,13-二硅杂十四烷 1,8-bis(trimethylsiloxy)octane 16654-42-5 C14H34O2Si2
    2,2,-二甲基-6-硝基苯并二氢吡喃 6-nitro-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran 19989-17-4 C11H13NO3
    2,2,-二甲基-6-氨基苯并二氢吡喃 6-Amino-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran 19989-18-5 C11H15NO
    2,2(3H)-吡啶二甲腈,6-乙氧基-5-乙基-(9CI) 6-Ethoxy-5-ethyl-3H-pyridine-2,2-dicarbonitrile 117615-75-5 C11H13N3O
    2,2'–(苯并[1,2-B;4,5-B']二噻吩-4,8-二亚基)二丙二腈 4,8-bis(dicyanomethylene)-4,8-dihydrobenzo<1,2-b:4,5-b'>dithiophene 109573-90-2 C16H4N4S2
    2,2':6',2”-三联吡啶-4'-甲醇 4'-(hydroxymethyl)-2,2':6',2''-terpyridine 148332-32-5 C16H13N3O
    2,2':6',2''-三联吡啶-6,6''-二甲腈 2,2':6',2''-terpyridine-6,6''-dicarbonitrile 129077-54-9 C17H9N5
    2,2':6',2''-三联吡啶-4'-羧酸 2,2':6',2''-terpyridine-4'-carboxylic acid 148332-36-9 C16H11N3O2
    2,2':6',2''-三联吡啶-4'-甲醛 4'-formyl-2,2':6',2''-terpyridine 108295-45-0 C16H11N3O
    2,2':5',2''-三噻吩-5,5''-二甲醛 2,5-bis(5-formylthiophen-2-yl)thiophene 13130-50-2 C14H8O2S3
    2,2'-（9-（Tridecan-7-亚烷基）-9H-芴-2,7-二基）双（4,4,5,5-四甲基-1,3,2-二氧杂硼烷） 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9-(1'-hexylheptylidene)fluorene 1334549-69-7 C38H56B2O4
    2,2'-（4,4'-（苯基磷酰基）双（4,1-亚苯基））双（1-苯基-1H-苯并[d]咪唑） Phenylbis(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)phosphine oxide 1426143-77-2 C44H31N4OP
    2,2'-邻苯二甲酰二(三甲基肼) Trimethyl-[[2-[(trimethylazaniumyl)carbamoyl]benzoyl]amino]azanium 103739-44-2 C14H22N4O2
    2,2'-脱水-3'-脱氧-5-乙基尿苷 2,2'-Anhydro-3'-deoxy-5-ethyluridine 133177-88-5 C11H14N2O4
    2,2'-脱水-1-(3'-脱氧-3'-碘阿拉伯呋喃糖基)胸腺嘧啶 Adiaft 142545-11-7 C10H11IN2O4
    2,2'-联噻吩-3-甲酸 [2,2'-bithiophene]-3-carboxylic acid 19783-52-9 C9H6O2S2
    2,2'-联喹啉 2,2'-biquinoline 119-91-5 C18H12N2
    2,2'-联吡嗪 2,2'-bipyrazine 10199-00-5 C8H6N4
    2,2'-联吡啶化合物与二吡啶并[3,2-a:2',3'-c]吩嗪,钌(2+)盐(2:1:1) [Ru(bpy)2(DPPZ)]<sup>2+</sup> 188626-94-0 C38H26N8Ru
    2,2'-联吡啶-alpha,alpha-二氨基辛二酸钯(II) BP-DS-Pdcl2 139280-50-5 C28H30Cl2N6O4Pd2
    2,2'-联吡啶-alpha,alpha'-二氨基己二酸铂(II) 2,5-Diaminohexanedioate;platinum(2+);2-pyridin-2-ylpyridine;dichloride 139280-47-0 C26H26Cl2N6O4Pt2
    2,2'-联吡啶-alpha,alpha'-二氨基己二酸钯(II) Pd(II)(Bipy)2(daa)Cl2 139280-48-1 C26H26Cl2N6O4Pd2
    2,2'-联吡啶-5-甲醛 2,2'-bipyridine-5-carbaldehyde 179873-48-4 C11H8N2O
    2,2'-联吡啶-5,5‘-二甲酸二甲酯 dimethyl 2,2'-bipyridine-5,5'-dicarboxylate 1762-45-4 C14H12N2O4
    2,2'-联吡啶-5,5‘-二甲酸二乙酯 [2,2']bipyridinyl-5,5'-dicarboxylic acid diethyl ester 1762-46-5 C16H16N2O4
    2,2'-联吡啶-5,5'-二羧酸 2,2'-bipyridine-5,5'-dicarboxylic acid 1802-30-8 C12H8N2O4
    2,2'-联吡啶-4-羧酸 2,2'-bipyridine-4-carboxylic acid 1748-89-6 C11H8N2O2
    2,2'-联吡啶-4-甲醛 2,2'-bipyridine-4-carbaldehyde 146581-82-0 C11H8N2O
    2,2'-联吡啶-4-甲腈 [2,2'-bipyridine]-4-carbonitrile 1613-71-4 C11H7N3
    2,2'-联吡啶-4,4'-双(4-苯甲酸) 4,4’-bis(p-carboxyphenyl)-2,2’-bipyridine 143954-72-7 C24H16N2O4
    2,2'-联吡啶-4,4'-二硼酸 2,2'-bipyridine-4,4'-diboronic acid 159614-36-5 C10H10B2N2O4
    2,2'-联吡啶-4,4'-二甲醇 4,4'-bis(hydroxymethyl)-2,2'-bipyridine 109073-77-0 C12H12N2O2
    2,2'-联吡啶-4,4'-二基二(膦酸) 2,2′-bipyridine-4,4′-diphosphonic acid 194800-56-1 C10H10N2O6P2
    2,2'-联吡啶-4,4'-二(甲酰胺) 2,2'-bipyridine-4,4'-bis(carboxamide) 100137-02-8 C12H10N4O2
    2,2'-联吡啶,锇(2+)盐 C11 Azlactone 176665-06-8 C16H29NO2
    2,2'-联-1H-咪唑-4-甲醛 2,2'-bi-1H-imidazole-4-carboxaldehyde 101226-46-4 C7H6N4O
    2,2'-联-1,4-二恶烷 2,2'-bi(1,4-dioxane) 14230-41-2 C8H14O4
    2,2'-联(双环[2.2.1]庚烷) 2,2'-bicyclo<2.2.1>heptane 18947-78-9 C14H22
    2,2'-联(1,4,7,10-四氧杂环十二烷) 1,1'-bis<2,5,8,11-tetraoxacyclododecane> 114094-11-0 C16H30O8
    2,2'-羰基双(3,5-二氧代-4-甲基-1,2,4-二吡咯烷) 2,2'-carbonyl bis-(3,5-dioxo-4-methyl-1,2,4-oxadiazolidine) 115491-90-2 C7H6N4O7
    2,2'-磺酰基二乙硫醇 Bis(2-mercaptoethyl) Sulfone 145626-87-5 C4H10O2S3
    2,2'-磺酰双(4-叔辛基苯酚) Phenol, 2,2'-sulfonylbis[4-(1,1,3,3-tetramethylbutyl)- 15452-89-8 C28H42O4S
    2,2'-硫烷二基二[1-(9H-芴-2-基)乙酮] bis(2-fluorenoylmethyl) sulfide 121305-19-9 C30H22O2S