2-[1-(carboxymethyl)-3-methylcyclohexyl]acetic acid 2-[1-(carboxymethyl)-3-methyl-cyclohexyl]ethanoic acid 5345-12-0 NCI60_002517 NSC3001 2-[1-(carboxymethyl)-3-methyl-cyclohexyl]acetic acid MLS000736492 SMR000528042