InChI=1/C20H27NO3/c1-14-6-4-5-7-16(14)11-20(2,3)21-12-19(24)15-8-9-18(23)17(10-15)13-22/h4-10,19,21-24H,11-13H2,1-3H3/p+1/t19-/m0/s1/fC20H28NO3/h21H/q+1 A09D898DFDBC1A05