InChI=1/C21H37N3O4/c1-15(2)12-18(21(27)28-3)23-20(26)14-24-10-8-17(9-11-24)22-19(25)13-16-6-4-5-7-16/h15-18H,4-14H2,1-3H3,(H,22,25)(H,23,26)/p+1/t18-/m0/s1/fC21H38N3O4/h22-24H/q+1 666F7F1472F32CF2