InChI=1/C19H20O4/c1-13(20)15-7-9-17(10-8-15)16-5-2-14(3-6-16)4-11-18(21)12-19(22)23/h2-3,5-10,18,21H,4,11-12H2,1H3,(H,22,23)/p-1/t18-/m1/s1/fC19H19O4/q-1	2A0C092B5F7D0E09