InChI=1/C25H27FN2O4/c1-4-14-25(24(31)32-5-2)20-19(21(27-25)18-9-7-6-8-15(18)3)22(29)28(23(20)30)17-12-10-16(26)11-13-17/h6-13,19-21,27H,4-5,14H2,1-3H3/t19-,20+,21-,25+/m0/s1 AFD9FC7764B54D23