InChI=1/C17H18N4O/c18-16-15-14(11-4-2-1-3-5-11)9-21(17(15)20-10-19-16)12-6-7-13(22)8-12/h1-5,9-10,12-13,22H,6-8H2,(H2,18,19,20)/t12-,13-/m0/s1/f/h18H2 B8BD4C10243F21D4