InChI=1/C18H19ClN4O/c1-12-21-22-18(23(12)2)17(13-6-4-3-5-7-13)20-11-14-10-15(19)8-9-16(14)24/h3-10,17,20,24H,11H2,1-2H3/t17-/m1/s1 8467B83458AEB51D