InChI=1/C20H27N5O4/c1-5-15-8-6-7-9-16(15)21-18(26)11-24(3)13-20(28)25(4)12-19(27)22-17-10-14(2)29-23-17/h6-10H,5,11-13H2,1-4H3,(H,21,26)(H,22,23,27)/p+1/fC20H28N5O4/h21-22,24H/q+1 DEF19D6FFF65251D