140164-86-9 Acetamide, N-((5alpha,6bet)-17-(cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-yl)-2-(methyl(7-nitro-4-benzofurazanyl)amino)- Asm 5-67 Asm-5-67 N-Cyclopropylmethyl-3-hydroxy-14beta-hydroxy-6beta-(nbd sarcosinyl)-amino-epoxymorphinan