InChI=1/C20H31N3O4/c1-5-26-17-9-15-7-8-23(12-16(15)10-18(17)27-6-2)13-19(24)22-20(25)21-11-14(3)4/h9-10,14H,5-8,11-13H2,1-4H3,(H2,21,22,24,25)/p+1/fC20H32N3O4/h21-23H/q+1 3B3E4A51D52C88F7