| abstract |
The present invention relates to a compound represented by the formula (1a) or a salt thereof, which is a prophylactic / treatment agent for heart disease, autoimmune disease, inflammatory disease, septic shock and the like, wherein R is an optionally substituted aliphatic hydrocarbon group. , An optionally substituted aromatic hydrocarbon group, an optionally substituted heterocyclic group, a group represented by formula OR 1 (wherein R 1 represents hydrogen or an optionally substituted aliphatic hydrocarbon group), or a group represented by formula A (formula R 1b and R 1c are the same or different and each represent hydrogen or an optionally substituted aliphatic hydrocarbon group); R 0 represents hydrogen or an aliphatic hydrocarbon group, or R and R 0 together represent a bond; Ar is an optionally substituted aromatic hydrocarbon group; And (B) or (C) (wherein n is an integer of 1 to 4). |