72788-67-1

5,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-8-nitro-1,6,9,11-tetraoxo-1,2,6,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate