InChI=1/C18H21N5O2/c1-12(2)6-8-18(3,24)9-7-13-11-23-17(15(19)20-13)21-16(22-23)14-5-4-10-25-14/h4-5,10-12,24H,6,8H2,1-3H3,(H2,19,20)/t18-/m1/s1/f/h19H2 5F430ADD6D443DAD