InChI=1/C16H15N3O3/c20-15-14(22-13-9-5-4-8-12(13)19-15)10-17-16(21)18-11-6-2-1-3-7-11/h1-9,14H,10H2,(H,19,20)(H2,17,18,21)/t14-/m1/s1/f/h17-19H 77DFFD3C47E9D1B5