4α-(Guanidinomethyl)cyclohexane-1β-carboxylic acid p-tert-butylphenyl ester

4α-(Guanidinomethyl)-1β-cyclohexanecarboxylic acid p-tert-butylphenyl ester

(1α,4β)-4-(Guanidinomethyl)cyclohexanecarboxylic acid 4-tert-butylphenyl ester

(1α,4β)-4-[(Amidinoamino)methyl]cyclohexanecarboxylic acid 4-(1,1-dimethylethyl)phenyl ester

(1α,4β)-4-[[(Aminoiminomethyl)amino]methyl]cyclohexanecarboxylic acid 4-(1,1-dimethylethyl)phenyl ester