InChI=1/C19H20O5/c1-10(2)7-13-14(21)8-15(22)18-16(23)9-17(24-19(13)18)11-3-5-12(20)6-4-11/h3-6,8,10,17,20-22H,7,9H2,1-2H3/t17-/m0/s1 6C822FD4F55EA981