150481-98-4 L 706000 L-706,000 L-706000 MK 499 Methanesulfonamide, N-(1'-(6-cyano-1,2,3,4-tetrahydro-2-naphthalenyl)-3,4-dihydro-4-hydroxyspiro(2H-1-benzopyran-2,4'-piperidin)-6-yl)-, (R*,R*)-