InChI=1/C16H17N5O2/c1-10-5-6-14(23-10)12-8-13(20-16(17)19-12)15(22)18-9-11-4-3-7-21(11)2/h3-8H,9H2,1-2H3,(H,18,22)(H2,17,19,20)/f/h18H,17H2 52776B1326E2DA7D