InChI=1/C19H21ClN4O/c20-15-4-1-3-14(9-15)10-19(12-25)6-2-8-24(11-19)18-16-5-7-21-17(16)22-13-23-18/h1,3-5,7,9,13,25H,2,6,8,10-12H2,(H,21,22,23)/t19-/m0/s1/f/h21H 990D67B948A861E4