InChI=1/C18H14ClN5O4/c1-27-15(26)7-6-14(25)21-18-20-12-5-4-10(19)9-11(12)17-22-16(23-24(17)18)13-3-2-8-28-13/h2-5,8-9H,6-7H2,1H3,(H,20,21,25)/f/h21H 19D234E8F492893D