InChI=1/C18H24N4O2/c1-17(2)12-7-8-18(17,3)13(10-12)19-15(23)11-22-16(24)21-9-5-4-6-14(21)20-22/h4-6,9,12-13H,7-8,10-11H2,1-3H3,(H,19,23)/t12-,13-,18+/m1/s1/f/h19H 82C40A8777BF293D