Propanedinitrile,[3-[2-[4-(diethylamino)phenyl]ethenyl]-5,5-dimethyl-2-cyclohexen-1-ylidene]-(9CI);(3-(2-(4-(N,N-Diethylamino)phenyl)ethenyl)-5,5-dimethyl-1,2-cyclohexenylidene)propanedinitrile;Lemke-e
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