InChI=1/C16H18O6/c1-8-10-7-21-15(20)12(10)13(19)9-3-5-16(2,22-14(8)9)6-4-11(17)18/h19H,3-7H2,1-2H3,(H,17,18)/p-1/t16-/m1/s1/fC16H17O6/q-1 800E628B7B2F981C