InChI=1/C19H24F4N2O2/c1-12-9-25(13(2)24-12)11-18(26,19(21,22)23)10-17(3,4)15-8-14(20)6-7-16(15)27-5/h6-9,26H,10-11H2,1-5H3/p+1/t18-/m1/s1/fC19H25F4N2O2/h24H/q+1 C77AADD62B12EA1D