4-hydroxy-3-methyl-6a,7,8,9-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepine-6,11-dione

(S)-(9CI)-6,7,8,8a-四氢-4-甲基吡咯并[1,2-d][1,2,4]噻嗪-1(2H)-酮