The present invention relates to compounds and methods useful as inhibitors of nitric oxide synthase. Certain compounds of the subject invention have the following structural formula:
wherein T, X, and Y are independently selected from the group consisting of CR
4
, N, NR
4
, S, and O; U is selected from the group consisting of CR
10
and N; V is selected from the group consisting of CR
4
and N; W and W′ are independently selected from the group consisting of CH
2
, CR
7
R
8
, NR
9
, O, N(O), S(O)
q
and C(O); n, m and p are independently an integer from 0 to 5; q is 0, 1, or 2; and other substituents are as defined herein. Other compounds of the subject invention have structural formulas as defined herein. Also disclosed herein are pharmaceutical compositions comprising the compounds of the subject invention.