InChI=1/C20H25NO4/c1-11(2)17-10-16(6-7-18(17)22)25-19-12(3)8-15(9-13(19)4)21-14(5)20(23)24/h6-11,14,21-22H,1-5H3,(H,23,24)/p-1/t14-/m1/s1/fC20H24NO4/q-1 5897ABDA9AFAED6D