751-98-4 BRN 2687644 Glycine, N-((4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamido)methyl)- Glycinemethyltetracycline Glycocycline