InChI=1/C19H35N5O4/c1-3-16(2)21-18(26)15-23-8-6-22(7-9-23)14-17(25)20-5-4-19(27)24-10-12-28-13-11-24/h16H,3-15H2,1-2H3,(H,20,25)(H,21,26)/t16-/m0/s1/f/h20-21H 4902240D4E9FEF71