14016-29-6

ChEBI: An organic heteropentacyclic compound that is 3,4,5,6-tetrahydro-2H-2,6-epoxyanthra[2,3-b]oxocine-8,13-dione substituted at position 2 by a methyl group and at positions 7, 9 and 11 by hydroxy groups (the S, stereo>S-diastereomer)