10238-70-7 2,7-(Epoxypentadeca(1,11,13)trienimino)benzofuro(4,5-a)phenazine-1,15(2H)-dione, 5,6,21,23,25-pentahydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-, 25-acetate BRN 0956463 Rifazine