Showing structure for [(4r,6r,7s,8r)-7,11-dimethoxy-12-methyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.0²,⁷.0⁴,⁶]trideca-1(9),11-dien-8-yl]methoxycarboximidic acid