Synonyms: 1-(7-Hydroxyheptyl)-1-methylpiperidiniumiodide, 2,4-diphenyl-1,3-cyclobutanedicarboxylate (7CI);1-(7-Hydroxyheptyl)-1-methylpiperidinium iodide, diester with a-truxillic acid (6CI);Piperidinium, 1-(7-hydroxyheptyl)-1-methyl-, iodide,2,4-diphenyl-1,3-cyclobutanedicarboxylate (2:1), cis-2,trans-3,trans-4- (8CI);1,3-Cyclobutanedicarboxylic acid, 2,4-diphenyl-, diester with1-(7-hydroxyheptyl)-1-methylpiperidinium iodide, a-; Piperidinium, 1-(7-hydroxyheptyl)-1-methyl-,iodide, 2,4-diphenyl-1,3-cyclobutanedicarboxylate (2:1), a-