InChI=1/C20H25NO3/c22-17(16-23-18-7-3-1-4-8-18)15-21-13-11-20(12-14-21)24-19-9-5-2-6-10-19/h1-10,17,20,22H,11-16H2/p+1/t17-/m0/s1/fC20H26NO3/h21H/q+1 F86E9F87C545C944