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1,1,2,2-???????

1,1,2,2-??????? ??? ???

???(??):: Bibenzhydryl;Ebastine Impurity 9;Ebastine Impurity 11;Ramipril Impurity 20;sym-Tetraphenylethane;Ebastine impurity III;Ebastine CP Impurity Ⅲ;1,1,2,2-TETRAPHENYLETHANE;α,α,β,β-tetraphenylethane;ethane,1,1,2,2-tetraphenyl-

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1,1,2,2-??????? ??

InChI: InChI=1S/C26H22/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22)26(23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20,25-26H

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H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??		P264, P280, P305+P351+P338,P337+P313P

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????? 1,1,2,2-?????(4-???????)?? Sennoside B 1,1,2,2-TETRAPHENYLETHANE SENNOSIDE BIANTHRONYL Diphenylmethylidene(cyclopentadienyl)(9-fluorenyl)zirconium dichloride HEXAPHENYLETHANE 9,9'-BIFLUORENE Sennoside A 1,1,2,2-TETRAKIS(4-METHYLPHENYL)-1,2-ETHANEDIOL 1,2-BIS(4-METHYLPHENYL)-1,2-DIPHENYL-1,2-ETHANEDIOL CALCIUM SENNOSIDE 1,1,2,2-TETRAKIS(4-METHOXYPHENYL)-1,2-ETHANEDIOL SENNIDINE A SENNIDINE B 3,3',3'',3'''-TETRAKIS(TRIFLUOROMETHYL)BENZOPINACOLE TETRAPHENYLETHYLENE OXIDE