InChI=1/C18H17N3O3/c1-21-14(12-6-7-16-17(8-12)24-11-23-16)10-20-18(21)19-9-13-4-2-3-5-15(13)22/h2-8,10,22H,9,11H2,1H3,(H,19,20)/p+1/fC18H18N3O3/h19-20H/q+1 64B592DF146399E2