101135-03-9 1a,2,3,11c-Tetrahydro-6-methyloxireno(3,4)benz(1,2-c)acridine-2,3-diol (1aalpha,2beta,3alpha,11calpha)- Oxireno(3,4)benz(1,2-c)acridine-2,3-diol, 1a,2,3,11c-tetrahydro-6-methyl-, (1aalpha,2beta,3alpha,11calpha)-