Synthesis of carbon 14 labeled 1,4 benzodiazepines. I. 8 Chloro 1 methyl 6 phenyl 4H s triazolo[4,3 a][1,4]benzodiazepine 1 14C and 8 chloro 6 (2 chlorophenyl) 1 methyl 4H s triazolo[4,3 a][1,4]benzodiazepine 1 14C

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