InChI=1/C21H28O3/c1-3-12-21(13-4-2)14-17(22)19(20(23)24-21)18(16-10-11-16)15-8-6-5-7-9-15/h5-9,16,18-19H,3-4,10-14H2,1-2H3/t18-,19+/m0/s1 3CDD669539F571A5