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,
R
1
, R
2
, and R
3
may be the same or different and each represent a hydrogen atom or the like,
l, m, and n each represent an integer from one to the maximum substitutable number of substituents, and
R
4
and R
5
may be the same or different and each represent a hydrogen atom or the like], or a pharmaceutically acceptable salt thereof, and the like.
提供的是一个四环化合物,其
化学式表示为(I):[在
化学式(I)中,式(A)表示
苯环或类似物,X表示CH或
氮原子,Q表示-O-或类似物,R1、R2和R3可以相同也可以不同,每个都表示
氢原子或类似物,l、m和n每个表示从1到可替代取代基的最大数的整数,R4和R5可以相同也可以不同,每个都表示
氢原子或类似物],或其药学上可接受的盐等。