InChI=1/C18H21N5O2/c1-12(17-21-20-16-9-4-5-10-23(16)17)19-18(25)22(3)13(2)14-7-6-8-15(24)11-14/h4-13,24H,1-3H3,(H,19,25)/t12-,13+/m0/s1/f/h19H 8EAC4E4049257F56