InChI=1/C18H20O3/c1-4-5-16-14-9-12(19)8-10(2)17(14)13-6-7-15(20)11(3)18(13)21-16/h6-9,16,19-20H,4-5H2,1-3H3/t16-/m0/s1 5B76DB85904C04EF