CAS No:6998-60-3||Chemical Formula:C37H47NO12||[2S-(2R*,12Z,14E,16R*,17R*,18S*,19S*,20S*,21R*,22S*,23R*,24E)]-21-(Acetyloxy)-5,6,9,17,19-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,11(2H)-dione (rifamycin SV)