InChI=1/C21H24O3/c22-20-16-10-6-1-2-7-11-17(16)24-21(23)19(20)18(15-12-13-15)14-8-4-3-5-9-14/h3-5,8-9,15,18,22H,1-2,6-7,10-13H2/t18-/m1/s1 838E7DBC4A844D82