for the following products
(2S)-2-[[[[(1R,2R)-2-Aminocyclohexyl]amino]thioxomethyl]amino]-N-3,3-trimethyl-N-(phenylmethyl)butanamide, (S)-2-[[[[(1R,2R)-2-Aminocyclohexyl]amino]thioxomethyl]amino]-N-benzyl-N-3,3-trimethylbutanam | N2-{[(1R,2R)-2-aminocyclohexyl]carbamothioyl}-N-benzyl-N,3-dimethyl-L-valinamide and (S)-2-[[(1R,2R)-2-aminocyclohexyl]thioureido]-N-benzyl-N,3,3-trimethylbutanamide
