1202527-98-7Relevant articles and documents
TETRACYCLIC COMPOUND
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Page/Page column 42-43, (2011/04/25)
Provided are a tetracyclic compound represented by the formula (I): [in the formula(I),the formula (A) represents a benzene ring or the like, X represents CH or a nitrogen atom, Q represents -O- or the like, R1, R2, and R3 may be the same or different and each represent a hydrogen atom or the like, 1, m, and n each represent an integer from one to the maximum substitutable number of substituents, and R4 and R5 may be the same or different and each represent a hydrogen atom or the like], or a pharmaceutically acceptable salt thereof, and the like.