InChI=1/C19H25N5O3/c25-18(16-4-3-13-27-16)22-9-11-23(12-10-22)19(26)20-7-6-15-14-24-8-2-1-5-17(24)21-15/h1-2,5,8,14,16H,3-4,6-7,9-13H2,(H,20,26)/t16-/m0/s1/f/h20H 5834C9F39F0518CD