InChI=1/C19H18O5/c1-2-24-18-9-8-14(10-13-6-4-3-5-7-13)11-15(18)16(20)12-17(21)19(22)23/h3-9,11H,2,10,12H2,1H3,(H,22,23)/p-1/fC19H17O5/q-1 84B76BBF941A114D