Patent ID: 8778931

Claim:
A compound of formula (IV): wherein: p is 0-3 and q is 1-4, and the total of p and q is 1-4; R 9b is hydrogen, methyl, ethyl, isopropyl, or tert-butoxycarbonyl; X is —C(O)—, —CH 2 —, V 1 is a bond or —NH—C(O)—; t is 0-2 Ring C is unsubstituted or substituted by 1-4 occurrences of R 5b ; each occurrence of R 5b is independently chloro, fluoro, hydroxy, methyl, ethyl, methoxy, ethoxy, trifluoromethyl, trifluoromethoxy, —C(O)NH 2 , or —CO 2 H; and z is 0 or 1.