MUPIROCIN CALCIUM, REFERENCE SPECTRUM EP STANDARD Calcium mupirocin dihydrate L-talo-Non-2-enonic acid, 5,9-anhydro-2,3,4,8-tetradeoxy-8-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-, 8-carboxyoctyl ester, calcium salt (2:1), dihydrate, [2E,8[2S,3S(1S,2S)]]- (9CI) mupirocin calcium hydrate Calcium 9-[(E)-4-[(2S,3R,4R,5S)-3,4-dihydroxy-5-[[(2S,3S)-3-[(2S,3S)-3-hydroxybutan-2-yl]oxiran-2-yl]methyl]oxan-2-yl]-3-methylbut-2-enoyl]oxynonanoate dihydrate Mupirocin calcium dihydrate Mupirocin Calcium (200 mg) 5,9-ANHYDRO-2,3,4,8-TETRADEOXY-8-[[3-(2-HYDROXY-1-METHYLPROPYL)OXIRANYL]METHYL]-3-METHYL-[2E,8[2S,3S(1S,2S)]]-L-TALONONO