InChI=1/C20H22N4O3/c1-13(2)18(15-7-5-4-6-8-15)21-14(3)19-22-23-20(27-19)16-9-11-17(12-10-16)24(25)26/h4-14,18,21H,1-3H3/p+1/t14-,18-/m0/s1/fC20H23N4O3/h21H/q+1 3AAE72E3ED113CD9