InChI=1/C20H30N2O3/c1-3-4-5-6-7-12-21-20(23)25-17-10-8-9-16-18-15(11-13-22(18)2)14-24-19(16)17/h8-10,15,18H,3-7,11-14H2,1-2H3,(H,21,23)/p+1/t15-,18+/m1/s1/fC20H31N2O3/h21-22H/q+1 D892ADEA91F39F8E