20-Oxa-25-thia-3,14,17-triazatricyclo[16.5.2.13,15] hexacosa-5,7,15(26),23-tetraene-2,13,16,19-tetrone, 9,11-dihydroxy-21-methyl-, stereoisomer 6834-99-7 Criseoviridin Griseoviridin(from old chem card) NSC88467