InChI=1/C16H21N5O2/c1-2-23-15-12(4-3-7-17-15)10-19-16-18-8-5-14(20-16)21-9-6-13(22)11-21/h3-5,7-8,13,22H,2,6,9-11H2,1H3,(H,18,19,20)/t13-/m0/s1/f/h19H 111D9EECC91C88C3