InChI=1/C22H20O3/c1-3-11(2)12-8-9-15-16(10-12)18-14-7-5-4-6-13(14)17(15)19-20(18)22(24)25-21(19)23/h4-11,17-20H,3H2,1-2H3/t11-,17+,18-,19-,20-/m1/s1 A764DC9EC5D49D92