InChI=1/C20H29N5O2/c1-19(2,3)12-8-11(9-13(15(12)26)20(4,5)6)10-14-16(27)23-18(25(14)7)24-17(21)22/h8-10H,1-7H3,(H5,21,22,23,24,26,27)/p-1/fC20H28N5O2/h21,26H,22H2/q-1/b14-10-,21-17? A1214DC68B1F6D51