324817-55-2Relevant articles and documents
LABELED OXAZINOCARBAZOLES AS DIAGNOSTIC AGENTS
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Page/Page column 23, (2008/06/13)
The present invention provides isotopically labeled oxazinocarbazole derivatives having a ring connecting position 8 (C-8) and position 9 (N-9), and more specifically, provides compounds of formula (I) wherein R1, R2, R3 and R4 are described herein. These compounds are useful in the diagnostic analysis of diseases wherein modulation of 5-HT activity is desired.