| abstract |
A compound represented by formula (I) [in the formula: (1) represents (2), (3), etc.; R 2a represents optionally substituted alkyl, etc.; R 2b , R 3a , R 3b , R 4a , R 4b , R 5a and R 5b independently represent a hydrogen atom, etc.; and R 1 represents (4), etc., (wherein: ring B represents a 6-membered aromatic carbon ring, etc.; ring D represents a 6-membered aromatic carbon ring, etc.; R 11 represents optionally substituted alkyl, etc.; R 12 s independently represent a halogen, etc.; r is 0 or 1; and p is an integer of 0 to 3)] or a pharmaceutically acceptable salt thereof. |