InChI=1/C21H21ClN4O4/c1-13(20(27)23-16-4-2-3-5-18(16)26(28)29)25-10-8-14(9-11-25)21-24-17-12-15(22)6-7-19(17)30-21/h2-7,12-14H,8-11H2,1H3,(H,23,27)/t13-/m0/s1/f/h25H 50367C31778737DE