56592-32-6 61288-15-1 Antibiotic FR 02A BRN 5230192 Efrotomicina [Spanish] Efrotomycin Efrotomycin [USAN:BAN:INN] Efrotomycine [French] FR 02A MK-621 Mocimycin, 31-O-(6-deoxy-4-O-(6-deoxy-2,4-di-O-methyl-alpha-L-mannopyranosyl)-3-O-methyl-beta-D-allopyranosyl)-1-methyl- Producil