3-Methylcyclohexanamine6850-35-731 % similar trans-4-Methylcyclohexylamine2523-55-931 % similar 4-Methylcyclohexylamine6321-23-931 % similar Cyclopentylamine1003-03-830 % similar Cyclobutylamine2516-34-930 % similar 3-Amino-N-methylpiperidine dihydrochloride894808-73-230 % similar 1-Propylpiperidin-4-amine42389-59-330 % similar