Temazepam Impurity G

(5RS)-7-chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1h-1,4-benzodiazepin-2,3-dione|(5RS)-7-chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione.