InChI=1/C18H18O2/c19-13-10-8-12(9-11-13)18-16-6-3-5-14(16)15-4-1-2-7-17(15)20-18/h1-2,4,7-11,14,16,18-19H,3,5-6H2/t14-,16-,18-/m1/s1 C604A41F1BC1B5CD