InChI=1/C22H23ClN2O4/c1-14-2-4-15(5-3-14)19-18(20(27)16-6-8-17(23)9-7-16)21(28)22(29)25(19)12-10-24-11-13-26/h2-9,19,24,26,28H,10-13H2,1H3/t19-/m0/s1/f/h28h,24H 69873176FB7F6BD3