InChI=1/C18H22N4O3/c23-18(14-19-13-15-5-2-1-3-6-15)21-12-4-11-20-16-7-9-17(10-8-16)22(24)25/h1-3,5-10,19-20H,4,11-14H2,(H,21,23)/f/h21H 87FDA189E390251C