InChI=1/C19H25N7O2/c1-10(2)18(19-23-22-14-6-5-7-25(14)19)21-16(27)8-13-11(3)20-15-9-17(28)24-26(15)12(13)4/h9-10,18H,5-8H2,1-4H3,(H,21,27)(H,24,28)/t18-/m0/s1/f/h21,24H C2E6C6F982F17990