InChI=1/C18H17NO8/c1-25-15-8-11(9-16(26-2)18(15)27-3)13(20)5-4-10-6-12(19(23)24)17(22)14(21)7-10/h4-9,21-22H,1-3H3/b5-4+	6622B395493505B8