InChI=1/C18H17N3O2/c1-11-3-6-13(7-4-11)9-20-18(23)15-10-19-17-14(16(15)22)8-5-12(2)21-17/h3-8,10H,9H2,1-2H3,(H,20,23)(H,19,21,22)/f/h19-20H 8D4058F8DD45F172