InChI=1/C19H23N5O5/c1-4-19(5-2)15(27)23(16(28)21-19)11-13(25)22-24-14(26)18(3,20-17(24)29)12-9-7-6-8-10-12/h6-10H,4-5,11H2,1-3H3,(H,20,29)(H,21,28)(H,22,25)/t18-/m0/s1/f/h20-22H 1C50D5A66A0A8C83