InChI=1/C18H23ClN4O4/c1-27-18(26)17-16(15-12(19)3-2-4-13(15)20-17)21-14(25)11-23-7-5-22(6-8-23)9-10-24/h2-4,20,24H,5-11H2,1H3,(H,21,25)/f/h21H CEC232BCE1DC5A7D