InChI=1/C22H26F2N2O2/c1-13(2)20(25-21(27)19-17(23)7-6-8-18(19)24)22(28)26(5)15(4)16-11-9-14(3)10-12-16/h6-13,15,20H,1-5H3,(H,25,27)/t15-,20-/m0/s1/f/h25H FBD3494F26BC8FB1