3-Isopropyl-1-methylcyclopentanecarboxylic acid 512-77-6 Cyclopentanecarboxylic acid, 1-methyl-3-(1-methylethyl)-, cis- (9CI) Cyclopentanecarboxylic acid, 3-isopropyl-1-methyl-, cis- (8CI) Fencholic acid NSC 8973