InChI=1/C18H23NO3/c1-20-16-8-10-18(11-9-16)22-15-13-19-12-5-14-21-17-6-3-2-4-7-17/h2-4,6-11,19H,5,12-15H2,1H3/p+1/fC18H24NO3/h19H/q+1 FD940048A1BA6D34