abstract |
(57) The present invention relates to an oxazinocarbazole derivative having a ring bonded to the 8-position (C-8) and the 9-position (N-9), more specifically R 1 , R 2 , R 3 and Provided are compounds of formula (I), wherein R 4 is as described herein. This compound is a 5-HT ligand and is useful in treating diseases where modulation of 5-HT activity is desired. [Chemical 1] |