InChI=1S/C17H21N5O/c1-3-4-9-22-14(10-12-5-7-13(23-2)8-6-12)21-15-16(18)19-11-20-17(15)22/h5-8,11H,3-4,9-10H2,1-2H3,(H2,18,19,20)