InChI=1/C21H30N2O3/c1-15-5-3-7-18(13-15)22-21(25)23-11-9-17(10-12-23)20(24)26-19-8-4-6-16(2)14-19/h3,5,7,13,16-17,19H,4,6,8-12,14H2,1-2H3,(H,22,25)/t16-,19-/m1/s1/f/h22H BF64B30EA5DF204A