66891-95-0

5,6,18,20-tetrahydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-2-(methylamino)-10,26-dioxo-9,10-dihydro-9,4-(epoxypentadeca[1,11,13]trienoimino)furo[2',3':7,8]naphtho[1,2-d][1,3]thiazol-16-yl acetate