InChI=1/C16H16O5/c1-7-4-10-13(8(2)21-7)16(19)14-11(15(10)18)5-9(20-3)6-12(14)17/h5-8,17H,4H2,1-3H3/t7-,8+/m0/s1	F899ACDCF9BB3DB6