InChI=1/C18H23N5O/c1-11-9-19-23(10-11)14(4)12(2)20-13(3)17-21-16-8-6-5-7-15(16)18(24)22-17/h5-10,12-14,20H,1-4H3,(H,21,22,24)/t12-,13-,14+/m0/s1/f/h21H 10ABEAB17D8C692C