Formula: C21H22N2O6 | Mol. Weight: 398.40 g/mol
IUPAC: methyl (3S,4S,5R,6R,9R)-3,6-dihydroxy-2,10-dioxo-11,21-diazapentacyclo[12.7.0.03,11.04,9.015,20]henicosa-1(14),15,17,19-tetraene-5-carboxylate
COC(=O)C1C(CCC2C1C3(C(=O)C4=C(CCN3C2=O)C5=CC=CC=C5N4)O)O