1,4-Benzenedicarboxamide, N,N'-bis((4-phenyl-1-(phenylmethyl)-4-piperidinyl)methyl)- 10593-63-2 N,N'-(1-Benzyl-4-phenyl-4-piperidylmethyl)terephthalamide Terephthalamide, N,N'-bis(1-benzyl-4-phenyl-4-piperidylmethyl)-