Synonyms: 1-(6-Hydroxy-6-methyl-2,4-heptadiynyl)-1-methylpiperidiniumiodide, acetate (7CI); Piperidinium,1-(6-hydroxy-6-methyl-2,4-heptadiynyl)-1-methyl-, iodide, acetate (8CI);Piperidinium, 1-[6-(acetyloxy)-6-methyl-2,4-heptadiynyl]-1-methyl-, iodide(9CI)