Inhibitors of serine proteases, particularly HCV NS3 protease

A compound of the formula (I):

• wherein:
• W is:
• wherein:
• m is 0 or 1;
• each R2 is H;
• J is selected from t-butyl, methyl, trifluoromethyl, hydroxy, methoxy, ethoxy, trifluoromethoxy, carboxy, phenyl, benzyl, phenoxy, benzyloxy, fluoro, chloro, bromo, isoxazolyl, pyridinyl, piperidinyl, carboxymethyl, carboxyethyl, dialkylamino, morpholinylmethyl, phenylacetylamino, or acylamino, wherein each J is optionally substituted with 1-3 J1 groups;
• each J1 is independently selected from C1-3 alkoxy, chloro, C1-3 alkyl, or phenyl;
• L is CH2CH3 or CH2CF3;
• each M is independently selected from isopropyl, propyl, methyl, pyridylmethyl, benzyl, naphthylmethyl, phenyl, imidazolylmethyl, thiophenylmethyl, cyclohexylmethyl, phenethyl, benzylthiomethyl, or benzyloxyethyl;
• R18 is —N(R11)—;
• R11 is hydrogen or C1-C3 alkyl;
• one R19 is —O—(C1-C3)-alkyl-aryl and the other two R19 are H;
• or two adjacent R19 are bound together to form phenyl ring and the other R19 is H;
• n is 1;
• the ring to which R18 and R19 are attached is phenyl;
• A2 is a bond or —N(R11)—C(H)(M)—C(O)—;
• V is —N(R11)—;
• K is —C(O)—;
• and
• T is —R12 or -alkyl-R12;
• wherein:
• each R12 is independently aryl or heteroaryl and is optionally substituted with 1 to 3 J groups.