InChI=1/C17H15N3O2/c21-17(14-10-19-16-13(14)5-3-7-18-16)20-9-12-8-11-4-1-2-6-15(11)22-12/h1-7,10,12H,8-9H2,(H,18,19)(H,20,21)/t12-/m1/s1/f/h19-20H 31A689E16038C7EF