Synonyms: 81195-09-7;AC1LAYJM;NSC329337;NSC 329337;1-[4-(4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium-1-yl)butyl]-4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium hexafluorophosphate;Phosphinolinium, 1,1'-(1,4-butanediyl)bis[1,2,3,4-tetrahydro-4,4-dimethyl-1-phenyl-, compd. with phosphate(1-), hexafluoro- (1:1)