InChI=1/C20H27NO3/c1-15(19(23)16-7-9-18(22)10-8-16)21-13-11-20(24,12-14-21)17-5-3-2-4-6-17/h2-9,15,18-19,22-24H,10-14H2,1H3/p+1/t15-,18+,19+/m0/s1/fC20H28NO3/h21H/q+1 340D779E6C22B49D