InChI=1/C20H31N5O/c1-14-22-24-25(23-14)20-11-15-8-16(12-20)10-19(9-15,13-20)18(26)21-17-6-4-2-3-5-7-17/h15-17H,2-13H2,1H3,(H,21,26)/t15-,16+,19?,20?/f/h21H 5308D5DA0EDF6D68