Synonyms: 2H-[1]Benzopyrano[4,3-c]pyridin-10-ol,8-(1,2-dimethylheptyl)-1,3,4,5-tetrahydro-5,5-dimethyl-2-(2-propynyl)-(8CI,9CI);5,5-Dimethyl-10-hydroxy-8-(3-methyl-2-octyl)-2-(2-propynyl)-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-d]pyridine;Abbott 40174; NSC 167790; SP 1; SP 1 (pharmaceutical)