InChI=1/C16H18O5/c1-4-21-16(19)15(18)11-7-6-10-12(20-3)8-5-9(2)13(10)14(11)17/h5,8,17H,4,6-7H2,1-3H3/p-1/fC16H17O5/h17h/q-1	EF6F04DF48419DE9