benzenamine,4,4'-(4,4-diphenyl-1,3-butadien-1-ylidene)bis[n,n-diethyl-
name：benzenamine,4,4'-(4,4-diphenyl-1,3-butadien-1-ylidene)bis[n,n-diethyl- cas no.：109995-82-6 purity：99.50%