gliotoxin, bis-dethio-bis(methylthio)- (3R)-2,3,5aβ,6,10,10a-Hexahydro-6β-hydroxy-3β-(hydroxymethyl)-2-methyl-3α,10aα-bis(methylthio)pyrazino[1,2-a]indole-1,4-dione 2,3,5aβ,6,10,10a-Hexahydro-6β-hydroxy-3β-(hydroxymethyl)-2-methyl-3,10aα-bis(methylthio)pyrazino[1,2-a]indole-1,4-dione Bis(methylthio)gliotoxin (FR-49175) BIS(METHYLTHIO)GLIOTOXIN FR-49175 bis-dethio-bis(methylthio)gliotoxin Pyrazino[1,2-a]indole-1,4-dione, 2,3,5a,6,10,10a-hexahydro-6-hydroxy-3-(hydroxymethyl)-2-methyl-3,10a-bis(methylthio)-, (3R,5aS,6S,10aR)-