Synonyms: Propanamide,2-amino-N-[(1R)-1-[[1,2-dihydro-1-(methylsulfonyl)spiro[3H-indole-3,4'-piperidin]-1'-yl]carbonyl]-4-phenylbutyl]-2-methyl-,monohydrochloride (9CI); Propanamide,2-amino-N-[1-[[1,2-dihydro-1-(methylsulfonyl)spiro[3H-indole-3,4'-piperidin]-1'-yl]carbonyl]-4-phenylbutyl]-2-methyl-,monohydrochloride, (R)-; L 163255