Patent ID: 8642635

Claim:
The compound of Formula III: wherein X 1 represent OH or O-C 1-6 -alkyl; A 1 is a bond or CH 2 ; R 1 is methyl or ethyl; R 5 and R 4 are H; R 3 is tetrazole; X 2 is halo; for each occurrence, R 2 is independently C 1-6 -alkoxy, hydroxy, halo, C 1-6 -alkyl, cyano or trifluoromethyl; and p is 0 or an integer from 1 to 4; R 6 for each occurrence is independently halo, hydroxy, C 1-7 alkoxy, halo, C 1-7 alkyl or halo-C 1-7 alkyl; and s is 0 or an integer from 1 to 4; or a pharmaceutically acceptable salt thereof.