MK-677;2-Amino-N-[(1R)-2-[1,2-dihydro-1-(methylsulfonyl)spiro[3H-indole-3,4'-piperidin]-1'-yl]-2-oxo-1-[(phenylmethoxy)methyl]ethyl]-2-methylpropanamide methanesulfonate;(R)-1'-(2-Methylalanyl-O-benzyl-D-seryl)-1-(Methylsulfonyl)-1,2-dihydrospiro[indole-3,4'-piperidine] Mesylate
