303-81-1 4309-70-0 Albamycin Syrup Benzamide, N-(7-((3-O-(aminocarbonyl)-6-deoxy-5-C-methyl-4-O-methyl-beta-L-lyxo-hexopyranosyl)oxy)-4-hydroxy-8-methyl-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-butenyl)-, calcium salt (2:1) EINECS 224-321-2 NOVOBIOCIN CALCIUM Novobiocin, calcium salt