Cis tert-Butyl 4-aminocyclohexylcarbamate247570-24-731 % similar Heptaminol hydrochloride543-15-731 % similar 4-Amino-2,2,6,6-tetramethylpiperidine36768-62-430 % similar Hydrogenated bisphenol A80-04-630 % similar 4-tert-Butylcyclohexanol98-52-230 % similar