InChI=1/C19H24N4/c1-5-16-14-8-12(18(2,3)4)6-7-13(14)15(9-20)17(23)19(16,10-21)11-22/h7,12,14-16,23H,5-6,8H2,1-4H3/t12-,14+,15+,16-/m0/s1 28B601F8FC62AAE6