https://www.selleckchem.com/EGFR(HER).html
Gephyyamycin (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 the rice solid fermentation of the marine-derived Streptomyces sp. HN-A124, an actinobacterium isolated from the marine sediments collected from Hainan Province, China. Their structures were elucidated on the basis of MS, NMR spectroscopic, X-ray diffration data analyses and quantum chemical calculations of the electronic circular dichroism (ECD) spectra. C
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