InChI=1/C19H22N4O2/c1-12-9-16(12)19(25)21-14-6-4-5-13(10-14)18(24)22-17-8-7-15(11-20-17)23(2)3/h4-8,10-12,16H,9H2,1-3H3,(H,21,25)(H,20,22,24)/t12-,16+/m1/s1/f/h21-22H 9707FE56D545ADEB