InChI=1/C20H31N5O4/c26-17(13-23-7-5-16(6-8-23)21-18(27)14-1-2-14)24-9-11-25(12-10-24)20(29)19(28)22-15-3-4-15/h14-16H,1-13H2,(H,21,27)(H,22,28)/p+1/fC20H32N5O4/h21-23H/q+1 919AFE921C6D3043