132338-78-4 2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,11(2H)-dione, 3-formyl-5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate, O-(2-phenoxyethyl)oxime 3-(((2-Phenoxyethoxy)imino)methyl)rifamycin 3-Formylrifamycin SV O-(2-phenoxyethyl)oxime 41776-67-4 84309-08-0 BRN 5418820 Reprimun Rifamycin, 3-(((2-phenoxyethoxy)imino)methyl)-