InChI=1/C27H35ClN4O4/c1-16-19(11-8-12-20(16)29)24(34)30-21(13-17-9-6-5-7-10-17)23(33)26(36)32-15-18(28)14-22(32)25(35)31-27(2,3)4/h5-12,18,21-23,33H,13-15,29H2,1-4H3,(H,30,34)(H,31,35)/t18-,21-,22-,23-/m0/s1/f/h30-31H 3CA2F631997E605B