Patent ID: 11932657
Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 0:
1. A compound represented by general formula:, wherein
R1 and R2 are the same or different and each independently represent hydrogen or C1-6 alkyl;
R3 and R4 are the same or different and each independently represent hydrogen or C1-6 alkyl, or R3 and R4 are bonded together to form C2-5 alkylene;
X represents 0, S, or S(O);
n represents 1, 2, or 3; and
rings A and B are the same or different and each independently represent an optionally substituted hydrocarbon ring or an optionally substituted heterocyclic ring, and the hydrocarbon ring and the heterocyclic ring are further optionally bonded with an optionally substituted hydrocarbon ring and/or an optionally substituted heterocyclic ring,
or a salt thereof.