InChI=1/C16H21N5O/c17-15-11-13(20-21(15)14-6-2-1-3-7-14)5-4-10-18-16(22)19-12-8-9-12/h1-3,6-7,11-12H,4-5,8-10,17H2,(H2,18,19,22)/f/h18-19H B3CC0DF5D50EBD1C