InChI=1/C22H25NO/c1-23-20-12-13-21(23)19(15-17-10-6-3-7-11-17)22(24)18(20)14-16-8-4-2-5-9-16/h2-11,18-21H,12-15H2,1H3/t18-,19+,20+,21- BCFC04F27E887DB2