Synonyms: 1-Piperidinebutanoicacid, a,2-dimethyl-,8-(1,2-dimethylheptyl)-1,3,4,5-tetrahydro-5,5-dimethyl-2-(2-propynyl)-2H-[1]benzopyrano[4,3-c]pyridin-10-ylester, dihydrochloride (9CI); 2H-[1]Benzopyrano[4,3-c]pyridine, 1-piperidinebutanoicacid deriv.; Menabitan hydrochloride; SP 204