InChI=1/C15H22N6/c1-4-13-11-21(8-7-19(13)2)15-16-6-5-14(18-15)12-9-17-20(3)10-12/h5-6,9-10,13H,4,7-8,11H2,1-3H3/t13-/m1/s1 F12CBEBEF1F4333E