InChI=1/C20H25N5O2/c1-14(26)24-10-12-25(13-11-24)16-8-6-15(7-9-16)21-20(27)19-17-4-2-3-5-18(17)22-23-19/h6-9,19H,2-5,10-13H2,1H3,(H,21,27)/t19-/m0/s1/f/h21H C791E70B70B629F5