Gephyyamycin and cysrabelomycin, two new angucyclinone derivatives from the Streptomyces sp. HN-A124

AbstractGephyyamycin (1) owned the rare 3,12a-epoxybenz[a]anthracene ring system, and cysrabelomycin (2) possessed an acetylated cysteine group, two new angucyclinone derivatives were isolated from...