69421-39-2 Antibiotic 6016 Antibiotic K 41, 6,15-didemethoxy-27-de((tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy)-18-((tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy)- Antibiotic K-41, 6,15-dimethoxy-27-de((tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy)-18-((tetrahydro-5-methoxy-6-methyl-2H-pyran-2-yl)oxy)- Antibiotic NO 6016 BRN 1615219