InChI=1/C20H24N4O3/c1-4-12-23-18-17(19(25)24(13-5-2)20(23)26)21-16(22-18)11-8-14-6-9-15(27-3)10-7-14/h6-11H,4-5,12-13H2,1-3H3,(H,21,22)/b11-8+/f/h21H ECCF0DCD0C13A0A7