1,1'-((2-Phenyl-1,3-indolizinediyl)bis(methylene(4-phenyl-1,4-piperidinediyl)))bisethanone 58892-66-3 CDRI 71-184 Ethanone, 1,1'-((2-phenyl-1,3-indolizinediyl)bis(methylene(4-phenyl-1,4-piperidinediyl)))bis-