InChI=1/C21H17NO4/c1-11-9-17(23)25-19-13(3)20-16(10-15(11)19)12(2)21(26-20)18(22-24)14-7-5-4-6-8-14/h4-10,24H,1-3H3/b22-18+	EF970141F659AC38