InChI=1/C21H23N5O3/c27-17(13-25-19(28)21(23-20(25)29)11-4-5-12-21)22-18-15-9-6-10-16(15)24-26(18)14-7-2-1-3-8-14/h1-3,7-8H,4-6,9-13H2,(H,22,27)(H,23,29)/f/h22-23H 5B262825E530D3B6