Benzoxa condensed ring compound, its production and pharmaceutical composition containing it.

A benzoxazole compound and a compound of 2,3-dihydrobenzofuran, EACH represented by the general formula (I) and a composition composition containing a pharmaceutically acceptable salt thereof, for inhibiting ATCAT AND USED FOR TREATING AND hyperlipemia arteriosclerosis, where a member from P, Q, RYS is a group of (A) and R1, R2 AND THE OTHER REPRESENTING PAS substituent.