InChI=1/C15H23N5O3/c1-10-17-14(23-19-10)11-5-4-8-20(9-11)15(22)18-12-6-2-3-7-16-13(12)21/h11-12H,2-9H2,1H3,(H,16,21)(H,18,22)/t11-,12+/m1/s1/f/h16,18H 172875D4DCEF85E1