InChI=1/C23H23NO4/c1-5-23(4)12-16(25)20-18(28-23)11-10-17-19(20)14(3)21(27-17)22(26)24-15-9-7-6-8-13(15)2/h6-11H,5,12H2,1-4H3,(H,24,26)/t23-/m1/s1/f/h24H 2DBC30A129E2F1D7