InChI=1/C19H25ClN4O/c1-2-7-19-12-23-8-9-24(13-19)11-14(10-23)17(19)21-22-18(25)15-5-3-4-6-16(15)20/h3-6,14H,2,7-13H2,1H3,(H,22,25)/b21-17+/f/h22H 31D1DE52BD21CC91