InChI=1/C19H24N4O2/c1-2-23-18(25)15-5-3-4-6-16(15)20-19(23)22-21-17(24)11-14-10-12-7-8-13(14)9-12/h3-6,12-14H,2,7-11H2,1H3,(H,20,22)(H,21,24)/t12-,13+,14-/m0/s1/f/h21-22H E83563B307629C68