Showing structure for (4r)-n-[(2r,3r)-1-[(3s,8ar)-3-[(2s)-butan-2-yl]-1,4-dioxo-tetrahydro-3h-pyrrolo[1,2-a]pyrazin-2-yl]-3-methyl-1-oxopentan-2-yl]-6-methyl-6,11-diazatetracyclo[7.6.1.0²,⁷.0¹²,¹⁶]hexadeca-1(16),2,9,12,14-pentaene-4-carboximidic acid