4-[7-[6-Cyano-5-(trifluoromethyl)pyridin-3-yl]-6,8-dioxo-5,7-diazaspiro[3.4]octan-5-yl]-2-fluoro-N-methylbenzamide,4-(7-(6-Cyano-5-(trifluoromethyl)pyridin-3-yl)-6,8-dioxo-5,7-diazaspiro[3.4]octan-5-yl)-2-fluoro-N-methylbenzamide,Apalutamide Impurity