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中文名称 英文名称 CAS号 化学式
2,3',4,6-四羟基二苯甲酮 (3-hydroxyphenyl)(2,4,6-trihydroxyphenyl)methanone 26271-33-0 C13H10O5
2,3',4,6-四甲基二苯基砜 1,3,5-trimethyl-2-(m-tolylsulfonyl)benzene 21128-93-8 C16H18O2S
2,3',4,6-四氯联苯 2,3',4,6-tetrachlorobiphenyl 60233-24-1 C12H6Cl4
2,3',4,5,5'-五溴二苯醚 2,3',4,5,5'-Pentabromodiphenyl ether 417727-71-0 C12H5Br5O
2,3',4,5,5'-五氯联苯 2,3',4,5,5'-pentachlorobiphenyl 68194-12-7 C12H5Cl5
2,3',4,5'-四氯联苯 2,3',4,5'-tetrachlorobiphenyl 73575-52-7 C12H6Cl4
2,3',4,5',6-五氯联苯 2,3',4,5',6-pentachlorobiphenyl 56558-18-0 C12H5Cl5
2,3',4,4'5,5'-六溴联苯 2,3',4,4',5,5'-Hexabromobiphenyl 67888-99-7 C12H4Br6
2,3',4,4'-四羟基二苯甲酮 2,3',4,4'-tetrahydroxybenzophenone 61445-50-9 C13H10O5
2,3',4,4'-四氯联苯 2,3',4,4'-terachlorobiphenyl 32598-10-0 C12H6Cl4
2,3',4,4'-四氯-(1,1'-联苯)-3-醇 2,3',4,4'-tetrachlorobiphenyl-3-ol 51109-11-6 C12H6Cl4O
2,3',4,4',6-五羟基二苯甲酮 maclurin 519-34-6 C13H10O6
2,3',4,4',6-五氯联苯 2,3',4,4'6-pentachlorobiphenyl 56558-17-9 C12H5Cl5
2,3',4,4',5-五溴二苯醚 2,3',4,4',5-Pentabromodiphenyl ether 446254-80-4 C12H5Br5O
2,3',4,4',5,5'-六氯联苯 2,3',4,4',5,5'-hexachlorobiphenyl 52663-72-6 C12H4Cl6
2,3',4,4',5'-五羟基二苯基酮 (2,4-dihydroxyphenyl)(3,4,5-trihydroxyphenyl)methanone 10425-09-9 C13H10O6
2,3',4,4',5'-五溴联苯基 phomenolactone 83652-16-8 C34H56O7
2,3',4,4',5',6-六氯联苯 2,3',4,4',5',6-hexachlorobiphenyl 59291-65-5 C12H4Cl6
2,3',4'-三氯苯乙酮 2,3',4'-trichloroacetophenone 42981-08-8 C8H5Cl3O
2,3',4',6-四氯联苯 2,3',4',6-tetrachlorobiphenyl 41464-46-4 C12H6Cl4
2,3',4',5-四氟联苯-4-酚 3-fluoro-4-(3,4,5-trifluorophenyl)phenol 335125-98-9 C12H6F4O
2,3',4',5'-四氟-4-(反式-4-戊基环己基)-1,1'-联苯 1,1'-Biphenyl, 2,3',4',5'-tetrafluoro-4-(trans-4-pentylcyclohexyl)- 173837-36-0 C23H26F4
2,3'',4,5-四氯联苯 2,3',4,5-tetrachlorobiphenyl 73575-53-8 C12H6Cl4
2,2双(甲苯磺酰氧基甲基)丙烷-1,3二基双(4甲基苯磺酸酯) pentaerythritol tetratosylate 1522-89-0 C33H36O12S4
2,2′:6′,2″-三联吡啶-4,4′,4″-三羧酸三甲酯 trimethyl 2,2':6',2''-terpyridine-4,4',4''-tricarboxylate 330680-46-1 C21H17N3O6
2,2′-(1,4-亚苯基)双-1-苯并咪唑-4,6-二磺酸 phenylene-1,4-bis(2-benzimidazyl)-3,3'-5,5'-tetrasulphonic acid 170864-82-1 C20H14N4O12S4
2,2′-联苯二甲醇 2,2'-bis(hydroxymethyl)biphenyl 3594-90-9 C14H14O2
2,2′-联吡啶-4,4′-二甲醛 [2,2']bipyridinyl-4,4'-dicarbaldehyde 99970-84-0 C12H8N2O2
2,2′-联吡啶-3,3′-二醇 [2,2'-bipyridine]-3,3'-diol 36145-03-6 C10H8N2O2
2,2′-羟基偶氮苯 2,2'-Dihydroxyazobenzene 2050-14-8 C12H10N2O2
2,2′-磺酰基双乙醇 sulfonyldiethanol 2580-77-0 C4H10O4S
2,2′-滴滴伊 1,1-bis(chlorophenyl)-2,2-dichloroethylene 3328-98-1 C14H8Cl4
2,2′-双[(4S)-4-苄基-2-噁唑啉] (S,S)-4,4'-bis(phenylmethyl)-2,2',5,5'-tetrahydro-2,2'-bioxazole 133463-88-4 C20H20N2O2
2,2′-双(溴甲基)-1,1′-联苯 2,2'-Bis(bromomethyl)-1,1'-biphenyl 38274-14-5 C14H12Br2
2,2′-双(4,5-二甲基咪唑) 2,2'-bis(4,5-dimethylimidazole) 69286-06-2 C10H14N4
2,2′-亚甲基双[(4R,5S)-4,5-二苯基-2-噁唑啉] bis((4R,5S)-4,5-diphenyl-4,5-dihydrooxazol-2-yl)methane 139021-82-2 C31H26N2O2
2,2′-亚甲基双[(4,s)-4-苯基-2-噁唑啉] (S,S)-2,2'-methylenebis(4-phenyl-2-oxazoline) 132098-59-0 C19H18N2O2
2,2′-亚甲基双[(4,s)-4-叔丁基-2-噁唑啉] (S,S)-2,2'-methylenebis(4-tert-butyl-2-oxazoline) 132098-54-5 C15H26N2O2
2,2′-亚乙基双(4,6-二叔丁基酚) 2,2-ethylidenebis(4,6-tert-butylphenol) 35958-30-6 C30H46O2
2,2′-二硝基-4,4′-二苯乙烯二羧酸 (E)-2,2′-dinitro-4,4′-(ethene-1,2-diyl)dibenzoic acid 1202689-44-8 C16H10N2O8
2,2′-二溴二苯甲酮 2,2'-Dibrom-benzophenon 25187-01-3 C13H8Br2O
2,2′-二吡啶基 N-氧化物 2,2'-bipyridyl N-oxide 33421-43-1 C10H8N2O
2,2′-[1,2-乙烷二基双[(E)-(次氮基次甲基)]]双[4-(叔丁基)-6-(1-哌啶基甲基)苯酚 2,2'-[1,2-Ethanediylbis[(E)-(nitrilomethylidyne)]] bis[4-(tert-butyl)-6-(1-piperidinylmethyl)phenol 524679-18-3 C36H54N4O2
2,2′-[(1,3)-2,3,5,10-四氢-5,10-二氧-2-苯基-1-[1,2,4]二氮杂磷杂环戊烷[1,2-]酞嗪-1,3-二基]双[-[(1)-1-苯乙基]苯甲酰胺] 2,2'-[(1R,3R)-2,3,5,10-tetrahydro-5,10-dioxo-2-phenyl-1H-[1,2,4]diazaphospholo[1,2-b]phthalazine-1,3-diyl]bis[N-(1S)-1-phenylethyl]-benzamide 615257-74-4 C46H39N4O4P
2,2′-[(1,3)-2,3,5,10-四氢-5,10-二氧-2-苯基-1-[1,2,4]二氮杂磷杂环戊烷[1,2-]酞嗪-1,3-二基]双[-(1)-1-苯乙基]苯酰胺] 2,2'-[(1S)-5,10-Dioxo-2-phenyl-2,3,5,10-tetrahydro-1H-[1,2,4]diazaphospholo[1,2-b]phthalazine-1,3-diyl]bis{N-[(1S)-1-phenylethyl]benzamide} 615538-63-1 C46H39N4O4P
2,2′,4,4′,5,5′-六氯联苯 2,2',4,4',5,5'-Hexachlorobiphenyl 35065-27-1 C12H4Cl6
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“-二甲基-[1,1':4',1”-三苯基]-4,4”-二胺 2,2''-dimethyl-[1,1':4',1''-terphenyl]-4,4''-diamine 1154654-11-1 C20H20N2
2,2’-脱水-L-胸腺嘧啶脱氧核苷 L-2,2'-anhydro-5-methyluridine 433733-92-7 C10H12N2O5
2,2’-脱水-L-尿苷 2,2'-anhydro-L-uridine 31501-46-9 C9H10N2O5