InChI=1/C17H19N5O2/c18-16-15-14(10-1-3-13(24)4-2-10)7-22(17(15)21-9-20-16)12-5-11(8-23)19-6-12/h1-4,7,9,11-12,19,23-24H,5-6,8H2,(H2,18,20,21)/t11-,12+/m1/s1/f/h18H2 919E5F4D5386C8A8