103106-21-4 2H-Naphtho(2,3-b)pyran-5,10-dione, 3,10a-dihydro-3-chloro-10a-((3-chloro-2,2-dimethyl-6-methylenecyclohexyl)methyl)-6,8-dihydroxy-2,2-dimethyl-, (3R-(3-alpha,10a-beta(1R*,3S*)))- Antibiotic MG 802AF1B2 MG 802AF1B2 Napyradiomycin B2