140164-88-1 7alpha-((1R)-1-Hydroxy-1-methyl-3-(4-hydroxyphenyl)-propyl)-6,14-endo-ethanotetrahydrothebaine nbd-sarcosinate Asm 5-10 Asm-5-10 Glycine, N-methyl-N-(7-nitro-4-benzofurazanyl)-, 4-(3-((5alpha,7alpha(R))-4,5-epoxy-3,6-dimethoxy-17-methyl-6,14-ethenomorphinan-7-yl)-3-hydroxybutyl)phenyl ester