InChI=1/C16H17NO4/c1-21-14-7-9(5-6-12(14)18)10-8-15(20)17-11-3-2-4-13(19)16(10)11/h5-7,10,18H,2-4,8H2,1H3,(H,17,20)/t10-/m0/s1/f/h17H 0C44762A0D1CB0BB