InChI=1/C15H20O5/c1-9(2)6-13(17)11-7-10(4-5-15(18)19)12(16)8-14(11)20-3/h4-5,7-9,13,16-17H,6H2,1-3H3,(H,18,19)/p-1/b5-4-/t13-/m1/s1/fC15H19O5/q-1 C8288757DC1B21BB