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中文名称 英文名称 CAS号 化学式
2,2'-(4,4-二甲基环戊-1,2-二基)二乙酸 2,2'-(4,4-dimethylcyclopenta-1,2-diyl)diacetic acid 1030023-55-2 C11H18O4
2,2'-(2-苯基乙烷-1,1-二基)二噻吩 2,2'-(2-phenylethane-1,1-diyl)dithiophene 106181-25-3 C16H14S2
2,2'-(2-甲基-1,4-亚苯基)双[2,3-二氢-1,3-二氧代-1H-异吲哚-5-羧酸] 2-[4-(5-Carboxy-1,3-dioxoisoindol-2-yl)-3-methylphenyl]-1,3-dioxoisoindole-5-carboxylic acid 114731-67-8 C25H14N2O8
2,2'-(2-乙烯基蒽-9,10-二亚基)二丙二腈 2-vinyl-11,11,12,12-tetracyanoanthraquinodimethane 1612793-07-3 C22H10N4
2,2'-(2,6-吡啶二基)双[1-苯基-1H-苯并咪唑] 2,6-bis(1-phenylbenzimidazol-2-yl)pyridine 1236181-38-6 C31H21N5
2,2'-(2,3-丁烷二基亚基)二{N-[2-(1-吡咯烷基)乙基]肼基硫代甲酰胺} 1-(2-Pyrrolidin-1-ylethyl)-3-[(Z)-[(3Z)-3-(2-pyrrolidin-1-ylethylcarbamothioylhydrazinylidene)butan-2-ylidene]amino]thiourea 13284-64-5 C18H34N8S2
2,2'-(1E)-1,2-乙炔基双[3-(十二烷基硫基)-噻吩 E-1,2-bis(3-(dodecylsulfanylthienyl-2))ethene 1235883-28-9 C34H56S4
2,2'-(1,4-苯二氨基)双(2-甲基丙腈) 2,2'-(1,4-phenylenediamino)bis(2-methylpropanenitrile) 100970-56-7 C14H18N4
2,2'-(1,3-苯基)二[5-(4-叔丁基苯基)-1,3,4-恶二唑] 1,3-Bis(5-(4-(tert-butyl)phenyl)-1,3,4-oxadiazol-2-yl)benzene 138372-67-5 C30H30N4O2
2,2'-(1,3-哌嗪二基)二乙醇 2,2'-(Piperazine-1,3-diyl)di(ethan-1-ol) 117186-75-1 C8H18N2O2
2,2'-(1,2-乙烯二基)二呋喃 (E)-1,2-di(2-furyl)-1-ethene 1439-19-6 C10H8O2
2,2'-(1,2-乙烯二基)二[5-[[4-氨基-6-[[3-(二乙胺基)丙基]氨基]-1,3,5-三嗪-2-基]氨基]-苯磺酸] 2-(2-Ethoxyethoxy)ethyl heptadec-9-enoate 193087-42-2 C23H44O4
2,2'-(1,2-乙烯二基)二(5-(((4-(((3,4-二氯苯基)磺酰基)氨基)苯基)磺酰基)氨基)-苯磺酸 Eucoriol 118265-89-7 C38H28Cl4N4O14S6
2,2'-(1,2-乙二基双氧代)双乙硫醇 3,6-dioxa-1,8-octandithiol 14970-87-7 C6H14O2S2
2,2',7,7'-四醛基-9,9'-螺二芴 9,9'-spirobi[fluorene]-2,2',7,7'-tetracarbaldehyde 124575-63-9 C29H16O4
2,2',7,7'-四碘-9,9'-螺二芴 2,2',7,7'-tetraiodo-9,9'-spirobifluorene 137181-59-0 C25H12I4
2,2',7,7'-四硼酸-9,9-联亚芴基 [9,9'-Bifluorenylidene]-2,2',7,7'-tetrayltetraboronic acid 1220840-63-0 C26H20B4O8
2,2',7,7'-四溴-9,9'-螺二芴 2,2',7,7'-tetrabromo-9,9'-spirobifluorene 128055-74-3 C25H12Br4
2,2',7,7'-四(二苯氨基)-9,9'-螺二[9H-芴] 2,2',7,7'-tetrakis(diphenylamino)-9,9'-spirobifluorene 189363-47-1 C73H52N4
2,2',6,6'-四氯联苯 2,2',6,6'-tetrachlorobiphenyl 15968-05-5 C12H6Cl4
2,2',5,5'-四氯二苯胺 2,2',5,5'-tetrachloro-4,4'-diaminobiphenyl 15721-02-5 C12H8Cl4N2
2,2',4-三氟-1,1'-联苯 2,2',4-Trifluoro-1,1'-biphenyl 115245-05-1 C12H7F3
2,2',4-三(2-氯苯基)-5-(3,4-二甲氧基苯基)-4'5'-二苯基-1,1'-二咪唑 2,2',4-tris(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)-4',5'-diphenyl-1,1'-biimidazole 100486-97-3 C44H31Cl3N4O2
2,2',4,6'-四溴二苯醚 2,2',4,6'-tetrabromodiphenyl ether 189084-57-9 C12H6Br4O
2,2',4,4'-四羟基二苯甲酮 2,2',4,4'-tetrahydroxybenzophenone 131-55-5 C13H10O5
2,2',4,4',6-五溴联苯醚 2,2',4,4',6-pentabromodiphenyl ether 189084-64-8 C12H5Br5O
2,2',4,4',6,6'-六硝基[1,1'-联苯]-3,3'-二醇 3,3'-dihydroxy-2,2',4,4',6,6'-hexanitrobiphenyl 14184-98-6 C12H4N6O14
2,2',4,4',6,6'-六硝基[1,1'-联苯]-3,3'-二胺 2,2',4,4',6,6'-hexanitro(1,1'-biphenyl)-3,3'-diamine 17215-44-0 C12H6N8O12
2,2',4,4',5-五氯二苯基醚 3,4-Dichloro-2-(2,4,5-trichlorophenoxy)phenol 119036-18-9 C12H5Cl5O2
2,2',4,4',5,5'-己甲氧基联苯 2,2',4,4',5,5'-hexamethoxybiphenyl 1702-67-6 C18H22O6
2,2',4,4',5,5',8-七羟基-7,7'-二甲基[1,1'-联蒽]-9,9',10,10'-四酮 Aurantioskyrin 18693-31-7 C30H18O11
2,2',3,4,4'-五溴联苯醚 2,2',3,4,4'-pentabromodiphenyl ether 182346-21-0 C12H5Br5O
2,2',3,4,4',5,6-七溴联苯醚 2,2',3,4,4',5,6-heptabromodiphenylether 189084-67-1 C12H3Br7O
2,2',3,4',6,6'-六氯联苯基-4-醇 2,2'3,4',6,6'-Hexachloro-4-biphenylol 153505-86-3 C12H4Cl6O
2,2',3,3',5,5'-六甲基-4,4'-二羟基联苯 4,4'-dihydroxy-2,2',3,3',5,5'-hexamethylbiphenyl 19956-76-4 C18H22O2
2,2',3,3',4,6,6'-庚-O-特戊酰-alpha,alpha'-海藻糖 2,3,6-tri-O-pivaloyl-α-D-glucopyranosyl 2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranoside 129727-79-3 C47H78O18
2,2',3,3',4,5',6,6'-八溴联苯 2,2',3,3',4,5',6,6'-Octabromobiphenyl 119264-60-7 C12H2Br8
2,2',2“-次氮基三(乙氧基)(丁二烯-1,3-二烯-2-基)硅烷 (buta-1,3-dien-2-yl)silatrane 1026785-83-0 C10H17NO3Si
2,2',2'-(2,4,6-三甲基苯-1,3,5-三酰基)三乙腈 1,3,5-tris(cyanomethyl)-2,4,6-trimethylbenzene 16144-65-3 C15H15N3
2,2',2''-次氮基三乙醇乙酸盐 tri-(2-hydroxyethyl)ammonium acetate 14806-72-5 C2H4O2*C6H15NO3
2,2',2''-次氮基三乙醇三甲基丙烯酸酯 trimethacrylate triethanolamine 13884-43-0 C18H27NO6
2,2',2''-次氮基三乙醇,钠盐 2,2',2''-Nitrilotrisethanol, sodium salt 17158-63-3 C6H14NNaO3
2,2',2''-[苯-1,2,3-三基三(氧基)]三[N,N-二乙基乙胺] 2-[2,3-bis[2-(diethylamino)ethoxy]phenoxy]-N,N-diethylethanamine 153-76-4 C24H45N3O3
2,2',2''-[次甲基-三(亚苯氧基亚甲基)]三(环氧乙烷)2,6-甲苯烯基二异氰酸酯加合物 2-[[4-[bis[4-(oxiran-2-ylmethoxy)phenyl]methyl]phenoxy]methyl]oxirane;1,3-diisocyanato-2-methylbenzene 106253-69-4 C37H34N2O8
2,2',2''-[(甲基硅烷三基)三(氧基)]三(乙胺) tris(2-aminoethoxy)(methyl)silane 15942-78-6 C7H21N3O3Si
2,2',2''-[(乙基硅烷三基)三(氧基)]三(乙胺) Ethyltris(2-aminoethoxy)silane 15942-81-1 C8H23N3O3Si
2,2',2'',3,3',4,4'',5',5'',6,6'-十一氯-1,1':4',1''-三联苯基 Aroclor 4465 11120-29-9 C18H3Cl11
2,2',2'',2'''-{[5,11,17,23-四(2-甲基-2-丙基)五环[19.3.1.13,7.19,13.115,19]二十八-1(25),3(28),4,6,9(27),10,12,15(26),16,18,21,23-十二烯-25,26,27,28-四基]四(氧基)}四(N,N-二甲基乙酰胺) p-tert-butylcalix[4]arenetetrakis(N,N-dimethylacetamide) 145237-45-2 C60H84N4O8
2,2',2'',2'''-(1,1,2,2-乙烷四基)四(1,3-苯并噻唑) 1,1,2,2-tetrakis(2-benzothiazolyl)ethane 178813-61-1 C30H18N4S4
2,2',2'',2''',2'''',2'''''-(1,3,5-三嗪-2,4,6-三基三次氮基)六乙酸 1,3,5-triazine-2,4,6-triamine hexaacetic acid 1258-71-5 C15H18N6O12