InChI=1/C15H22O4/c1-13(2)6-8-4-9(12(17)18)10-5-11(16)14(3,19)15(8,10)7-13/h4,8,10-11,16,19H,5-7H2,1-3H3,(H,17,18)/p-1/t8-,10+,11-,14-,15-/m1/s1/fC15H21O4/q-1 1209C8CA861F4EE0