Epicoccins A–D, Epipolythiodioxopiperazines from a Cordyceps-Colonizing Isolate of Epicoccum nigrum Yonggang Zhang Shuchun Liu Yongsheng Che Xingzhong Liu 10.1021/np070239u.s002 https://acs.figshare.com/articles/dataset/Epicoccins_A_D_Epipolythiodioxopiperazines_from_a_Cordyceps_Colonizing_Isolate_of_Epicoccum_nigrum/2983588 Epicoccins A–D (<b>1</b>–<b>4</b>), four unique epipolythiodioxopiperazines possessing unusual sulfur bridges, have been isolated from cultures of a Cordyceps-colonizing isolate of Epicoccum nigrum. The structures of these compounds were determined mainly by analysis of their NMR spectroscopic data. The relative and absolute configuration of epicoccin A (<b>1</b>) was established by single-crystal X-ray diffraction analysis. Epicoccin A (<b>1</b>) showed modest antimicrobial activity. 2007-09-28 00:00:00 Isolate NMR spectroscopic data culture sulfur bridges Epipolythiodioxopiperazine Epicoccum nigrum Epicoccum nigrumEpicoccins epipolythiodioxopiperazine antimicrobial activity compound configuration epicoccin diffraction analysis