abstract |
Provided are novel pyrazole derivatives and androgen receptor antagonists containing the same. Formula (I ′) [Wherein R 1 represents a hydrogen atom, a group via a carbon atom, a group via a nitrogen atom, a group via an oxygen atom, or a group via a sulfur atom; R 2 represents a phenyl group having cyano (this phenyl group is R 3 is a hydrogen atom, a group via a carbon atom, a group via a nitrogen atom, a group via an oxygen atom, or a group via a sulfur atom; and R 4 may be a group other than cyano; , An optionally substituted cyclic group; and X represents an optionally substituted methylene, or CO. Or a salt thereof. |