InChI=1/C17H21N5O2/c18-10-14-7-4-8-22(14)16(23)15-9-13(11-19-15)21-17(24)20-12-5-2-1-3-6-12/h1-3,5-6,13-15,19H,4,7-9,11H2,(H2,20,21,24)/t13-,14-,15-/m0/s1/f/h20-21H 4BF0B3BC52D52E90