Dehydrogliotoxin

(3R)-2,3-Dihydro-6-hydroxy-3-(hydroxymethyl)-2-methyl-10H-3α,10aα-epidithiopyrazino[1,2-a]indole-1,4-dione

(3R)-1,2,3,4-Tetrahydro-6-hydroxy-3-hydroxymethyl-2-methyl-10H-3α,10aα-epidithiopyrazino[1,2-a]indole-1,4-dione