InChI=1/C21H34N2O4/c1-6-26-21(25)14-23(12-16(2)3)13-20(24)22-11-18-7-9-19(10-8-18)15-27-17(4)5/h7-10,16-17H,6,11-15H2,1-5H3,(H,22,24)/p+1/fC21H35N2O4/h22-23H/q+1 1684E973FB3042C6