25-Deacetyl-23-acetyl Rifampicin (>85%)

25-O-Deacetyl-3-[[(4-methyl-1-piperazinyl)imino]methyl]rifamycin 23-acetate; 25-O-Deacetylrifampicin 23-acetate; 25-Deacetyl-23-acetyl rifampicin; 25-Desacetyl-23-acetylrifampicin; Rifampicin impurity 3

CO[C@H]1\C=C\O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(NC(=O)\C(=C/C=C/[C@H](C)[C@H](O)[C@@H](C)[C@@H](OC(=O)C)[C@@H](C)[C@H](O)[C@@H]1C)\C)c(\C=N\N5CCN(C)CC5)c(O)c4c3C2=O

InChI=1S/C43H58N4O12/c1-21-12-11-13-22(2)42(55)45-33-28(20-44-47-17-15-46(9)16-18-47)37(52)30-31(38(33)53)36(51)26(6)40-32(30)41(54)43(8,59-40)57-19-14-29(56-10)23(3)35(50)25(5)39(58-27(7)48)24(4)34(21)49/h11-14,19-21,23-25,29,34-35,39,49-53H,15-18H2,1-10H3,(H,45,55)/b12-11+,19-14+,22-13-,44-20+/t21-,23-,24+,25-,29-,34+,35+,39-,43-/m1/s1

IUPAC name: [(7R,9E,11R,12S,13S,14R,15R,16S,17S,18R,19E,21Z)-2,13,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.1^{4,7}.0^{5,28}]triaconta-1(29),2,4,9,19,21,25,27-octaen-15-yl] acetate