38546-25-7 Benzoic acid, o-(2-hydroxyethyl)-, ((1,2-dihydro-5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-8-yl)methylene)hydrazide, 21-acetate