CAS: 72559-06-9 Molecular Formula: C46H62N4O11 Molecular Weight (g/mol): 847.02 MDL Number: MFCD00866816 InChI Key: ATEBXHFBFRCZMA-VXTBVIBXSA-N Synonym: rifabutin,ansamycin,rifabutine,mycobutin,ansatipine,ansatipin,alfacid,rifabutina,rifabutinum,antibiotic lm 427 PubChem CID: 57448257 IUPAC Name: (7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-1'-(2-methylpropyl)-6,23,32-trioxo-8,33-dioxa-24,27,29-triazaspiro[pentacyclo[23.6.1.1⁴,⁷.0⁵,³¹.0²⁶,³⁰]tritriacontane-28,4'-piperidin]-1,3,5(31),9,19,21,25,29-octaen-13-yl acetate SMILES: CO[C@H]1\C=C\O[C@@]2(C)OC3=C(C)C(O)=C4C(=O)C(NC(=O)\C(C)=C/C=C/[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C)=C1NC5(CCN(CC(C)C)CC5)N=C1C4=C3C2=O