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    中文名称 英文名称 CAS号 化学式
    2,2'-[亚丁基二[[2-(叔-丁基)-5-甲基-p-亚苯基]氧代]]二[5,5-二甲基-1,3,2-二噁磷己环] (E)-2-fluoro-3-(2-pyridyl)acrylonitrile 140137-15-1 C8H5FN2
    2,2'-[乙烯二(氧基)]二[1,3,2-二氧硼戊环] tris(ethyleneglycol)diborate 1135-51-9 C6H12B2O6
    2,2'-[乙烯二(氧基)]二[1,3,2-二氧杂砷杂环戊烷] 1,2-bis(1,3,2-dioxaarsolan-2-yloxy)ethane 14849-23-1 C6H12As2O6
    2,2'-[丁烷-1,4-二基二(氧代苯-4,1-二基)]二(4,5-二氢-1H-咪唑) 2,2'-(1,4-Butanediylbis(oxy-4,1-phenylene))bis(4,5-dihydro-1H-imidazole) 129050-97-1 C22H26N4O2
    2,2'-[{4-[(3-乙炔基苯基)氨基]-6,7-喹唑啉二基}二(氧基)]二乙醇盐酸盐(1:1) 2-[4-(3-Ethynyl-phenylamino)-7-(2-hydroxy-ethoxy)-quinazolin-6-yloxy]-ethanol hydrochloride 183320-12-9 C20H19N3O4*ClH
    2,2'-[[[4-[(氨基羰基)氨基]苯基]砷]二(硫)]二乙酸 Thiocarbarsone 120-02-5 C11H13AsN2O5S2
    2,2'-[[[2-[(二甲基氨基)甲基]-1,3-丙二基]双[亚氨基(2-氧代-2,1-乙二基)氧基-3,1-亚苯基[(1R)-3-(3,4-二甲氧基苯基)亚丙基]]]双[1-[(2S)-1-氧代-2-(3,4,5-三甲氧基苯基)丁基]-2-哌啶甲酸] AP20187 195514-80-8 C82H107N5O20
    2,2'-[[3-乙酰氨基-4-[(4-硝基苯基)偶氮]苯基]亚氨基]二乙基二乙酸酯 2,2'-({3-acetamido-4-[(4-nitrophenyl)azo]phenyl}imino)diethyl diacetate 1533-74-0 C22H25N5O7
    2,2'-[[3-(4-苯氧基甲基苯基)丙基]亚氨基]二乙醇 OE 7000 19733-84-7 C20H27NO3
    2,2'-[[2-(2-羟基乙氧基)乙基]亚氨基]二乙醇 [2-(2-hydroxy-ethoxy)-ethyl]-bis-(2-hydroxy-ethyl)-amine 17626-34-5 C8H19NO4
    2,2'-[[2-(1-苯基环戊基)-1,4-亚苯基]双(氧亚甲基)]双-1,3-苯并噻唑 2,2'-[[2-(1-phenylcyclopentyl)-1,4-phenylene]bis(oxymethylene)]bis-1,3-benzothiazole 1026685-42-6 C33H28N2O2S2
    2,2'-[[(9,10-二氢-4,8-二羟基-9,10-二氧代蒽)-1,5-二基]二亚氨基]二(5-甲基苯磺酸) Toluidinblau 10449-13-5 C28H22N2O10S2
    2,2'-[9,10-蒽二基二-(1E)-2,1-乙烯二基]双[吡啶] 9,10-bis((E)-2-(pyridin-2-yl)vinyl)anthracene 1412103-08-2 C28H20N2
    2,2'-[6,6,12,12-四己基-6,12-二氢茚并[1,2-B]芴-2,8-双硼酸频哪醇酯] 2,2'-(6,6,12,12-tetrahexyl-6,12-dihydroindeno[1,2b]fluorene-2,8-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 1210388-13-8 C56H84B2O4
    2,2'-[1,4-亚苯基二(次甲基次氮基)]双酚 2,2'-((1,4-phenylenebis(methanylylidene))bis(azanylylidene))diphenol 13060-68-9 C20H16N2O2
    2,2'-[1,3-亚苯基二(亚甲基氧基)]二苯甲醛 1,3-bis(2-formylphenoxymethyl)benzene 140160-96-9 C22H18O4
    2,2'-[1,2-偶氮二基双(2,1-亚苯氮次甲基)]二苯酚 2,2'-bis(salicylideneamino)azobenzene 1258669-34-9 C26H20N4O2
    2,2'-[1,2-乙烷二基二(硫代)]二[2-(三氟甲基)-1,3-二噻戊环] 2,2'-bis-trifluoromethyl-2,2'-ethane-1,2-diylbissulfanyl-bis-[1,3]dithiolane 16526-38-8 C10H12F6S6
    2,2'-[1,2-乙二基双[亚氨基(2-氧代-2,1-乙二基)氧基-3,1-亚苯基[(1R)-3-(3,4-二甲氧基苯基)亚丙基]]]二[(2S)-1-[(2S)-1-氧代-2-(3,4,5-三甲氧基苯基)丁基]-2-哌啶甲酸] AP1903 195514-63-7 C78H98N4O20
    2,2'-[1,2-乙二基双(氧)]双[5-氟苯胺] 2,2'-[Ethane-1,2-diylbis(oxy)]bis(5-fluoroaniline) 111040-95-0 C14H14F2N2O2
    2,2'-[1,2-乙二基双(氧)]双[4-氟苯胺] 1,2-Bis(2-amino-5-fluorophenoxy)ethane 107140-87-4 C14H14F2N2O2
    2,2'-[1,2-乙二基双(次氮基次甲基)]双[6-甲氧基苯酚]钴络合物 bis(2-hydroxy-3-methoxy-benzylidene)-ethylene-diamine-cobalt(II) 18433-52-8 C18H18CoN2O4
    2,2'-[(E)-乙烯-1,2-二基二(苯-4,1-二氧基)]二(N,N,N-三甲基乙铵)二碘化 AMMONIUM, (VINYLENEBIS(p-PHENYLENEOXYETHYLENE))BIS(TRIMETHYL-, DIIODIDE 118767-06-9 C24H36I2N2O2
    2,2'-[(6-叠氮-1,3,5-三嗪-2,4-二基)二(氧代)]二乙酰腈 2-azido-4,6-dicyanomethoxy-s-triazine 137522-81-7 C7H4N8O2
    2,2'-[(5-甲基嘧啶-4,6-二基)二(苯-4,1-二基硫烷二基)]二(N,N-二甲基乙胺) 4,6-bis<4'-<<2''-(dimethylamino)ethyl>thio>phenyl>-5-methylpyrimidine 113393-76-3 C25H32N4S2
    2,2'-[(4-甲基哒嗪-3,6-二基)二(氧代)]二(N,N-二乙基-N-甲基乙铵)二溴化 Ammonium, ((4-methyl-3,6-pyridazinediyl)bis(oxyethylene))bis(diethylmethyl-, dibromide 111528-95-1 C19H38Br2N4O2
    2,2'-[(4,8-二氨基-3,7-二溴-9,10-二氢-9,10-二氧代-1,5-蒽二基)二亚胺]二[5-甲基-苯磺酸]二钠盐 Anthraquinone, 1,5-diamino-2,6-dibromo-4,8-bis((4-methyl-2-sulfophenyl)amino)-, disodium salt 10130-53-7 C28H20Br2N4Na2O8S2
    2,2'-[(4,6-二氯-1,3,5-三嗪-2-基)亚氨基]二-乙醇 6-(N,N-dihydroxyethyl)amino-1,3,5-triazine-2,4-dichloride 13436-79-8 C7H10Cl2N4O2
    2,2'-[(1,8-二氧代-1,8-辛烷二基)二(氧基)]二(N,N,N-三甲基乙铵)二氯化物 Suberyldicholine dichloride 100930-12-9 C18H38Cl2N2O4
    2,2'-O-(2,2'-二乙酰氨基-2,3,2',3'-四脱氧-6,6'-二-O-(2-十四烷基棕榈酰)-alpha,alpha'-海藻糖-3,3'-二基)二(N-乳酰-丙氨酰-异谷氨酰胺) Dttdt-mdp 127896-98-4 C98H178N8O23
    2,2'-(芘-1,8-二羰基)-二苯甲酸 2,2'-(pyrene-1,8-dicarbonyl)-di-benzoic acid 103778-24-1 C32H18O6
    2,2'-(芘-1,6-二羰基)-二苯甲酸 2,2'-(pyrene-1,6-dicarbonyl)-di-benzoic acid 104601-08-3 C32H18O6
    2,2'-(甲烯二亚胺)二乙酸 <i>N</i>,<i>N</i>'-methanediyl-bis-glycine 116496-89-0 C5H10N2O4
    2,2'-(吡啶-2-基亚甲基)二苯酚 2,2'-Dihydroxy-diphenyl-(2-pyridyl)-methan 16985-07-2 C18H15NO2
    2,2'-(吡啶-2,6-二基)二苯胺 2,2'-(pyridine-2,6-diyl)dianiline 1015257-54-1 C17H15N3
    2,2'-(十六烷基亚胺)二乙醇 2,2'-(hexadecylazanediyl)diethanol 18924-67-9 C20H43NO2
    2,2'-(偶氮二对亚苯基)二(6-甲基苯并噻唑) 2,2'-(Azodi-p-phenylene)bis(6-methylbenzothiazole) 17205-68-4 C28H20N4S2
    2,2'-(偶氮二-p-亚苯基)二[6-甲基苯并噻唑磺化]二钠 Aristolochic acid E 107259-48-3 C17H11NO8
    2,2'-(丙烷-1,1-二基)二噻吩 2,2'-(propane-1,1-diyl)dithiophene 103987-55-9 C11H12S2
    2,2'-(丁烷-2,2-二基)二呋喃 2,2'-(butane-2,2-diyl)difuran 100121-73-1 C12H14O2
    2,2'-(丁烷-1,4-二基)二-2-恶唑啉-4,4-二甲醇 2,2'-(Butane-1,4-diyl)bis-2-oxazoline-4,4-dimethanol 19896-25-4 C14H24N2O6
    2,2'-({4-[(4-{[(1Z)-1-环己-2,4-二烯-1-亚基乙基]氨基}苯基)硫烷基]苯基}亚氨基)二乙醇二盐酸 2,2'-((4-((4-(4-Quinolinylamino)phenyl)thio)phenyl)imino)bis-ethanol dihydrochloride 133041-50-6 C24H30Cl2N2O2S
    2,2'-(P-甲苯亚胺)二乙醇二氨基甲酸酯 ETHANOL, 2,2'-(p-TOLYLIMINO)DI-, DICARBAMATE (ester) 19351-38-3 C13H19N3O4
    2,2'-(M-甲苯亚胺)二乙醇二氨基甲酸酯 ETHANOL, 2,2'-(m-TOLYLIMINO)DI-, DICARBAMATE (ester) 19351-37-2 C13H19N3O4
    2,2'-(E)-重氮基烯-1,2-二基二(2-甲基戊腈) 2,2'-dimethyl-2,2'-azo-di-valeronitrile 13393-65-2 C12H20N4
    2,2'-(5-溴-1,3-亚苯基)二吡啶 3,5-di(2-pyridyl)bromobenzene 150239-89-7 C16H11BrN2
    2,2'-(5-{2-[二乙基(3-硝基苯甲基)氨]乙基}-2,4,6-三羰基-1,3,5-三吖己环-1,3-二基)二[N,N-二乙基-N-(4-硝基苯甲基)乙铵]三溴化 1,3,5-Triazine-1,3,5(2H,4H,6H)-triethanaminium, N,N,N',N',N'',N''-hexaethyl-2,4,6-trioxo-N,N',N''-tris((4-nitrophenyl)methyl)-, tribromide 132684-44-7 C42H60Br3N9O9
    2,2'-(5-{2-[(3-溴苯甲基)(二甲基)氨]乙基}-2,4,6-三羰基-1,3,5-三吖己环-1,3-二基)二[N-(4-溴苯甲基)-N,N-二甲基乙铵]三溴化 1,3,5-Triazine-1,3,5(2H,4H,6H)-triethanaminium, N,N,N',N',N'',N''-hexamethyl-2,4,6-trioxo-N,N',N''-tris(2-bromophenyl)methyl)-, tribromide 132706-10-6 C36H48Br6N6O3
    2,2'-(5,5'-二甲基-4,4'-联吡啶-3,3'-二基)二乙酸 2,2'-(5,5'-dimethyl-4,4'-bipyridine-3,3'-diyl)diacetic acid 1037441-81-8 C16H16N2O4
    2,2'-(4-{[5-脱氧-2-O-(2-脱氧-2-{[(E)-亚氨基甲基](甲基)氨基}己糖吡喃糖苷)-3-C-(羟基甲基)呋喃戊糖基]氧基}-2,5,6-三羟基-1,3-环己烷二基)二胍 Streptomycin,sesquisulfate 10225-46-4 C22H44N8O16S