| abstract |
Disclosed is a compound represented by the formula (I) or (II) below, or a salt thereof. [In the formulae, ring A represents an optionally substituted ring (which is not a pyrrolidine, piperidine or piperazine); ring B represents an optionally substituted aromatic ring; ring D represents an optionally substituted ring; R1 and R2 independently represent a hydrogen atom or a substituent; R3 represents a hydrogen atom or a C1-6 alkyl group, or alternatively it combines with the ring A to form a non-aromatic ring; ring Aa represents an optionally substituted aromatic hydrocarbon; Y represents CH or N; Ra1 represents an optionally substituted hydrocarbon group; and Ra2 and Ra3 independently represent a hydrogen atom or a substituent.] The compound has a DGAT inhibitory effect and is useful for treatment or improvement of diseases or conditions caused by high expression or high activation of DGAT. |