InChI=1/C25H24N2O4/c1-3-30-21-11-7-5-9-17(21)23-22-14(2)27-31-25(22)26-18-12-15(13-20(29)24(18)23)16-8-4-6-10-19(16)28/h4-11,15,23,26,28H,3,12-13H2,1-2H3/t15-,23-/m1/s1 E19AC5BA031288F7