InChI=1/C19H28N4O5/c1-3-22(14-18(25)21-19(26)28-4-2)13-17(24)20-15-5-7-16(8-6-15)23-9-11-27-12-10-23/h5-8H,3-4,9-14H2,1-2H3,(H,20,24)(H,21,25,26)/p+1/fC19H29N4O5/h20-22H/q+1 951320737E5D5CDC