InChI=1/C22H23FO4/c1-13-7-14(2)19(5-4-18-10-17(25)11-22(26)27-18)20(8-13)15-3-6-21(23)16(9-15)12-24/h3-9,17-18,24-25H,10-12H2,1-2H3/b5-4+/t17-,18+/m1/s1 C8C3AE62F46BCCCE