Compounds are provided which have the structure ##STR00001## Wherein A,
B, C, D, m, Y, Ra, Rc, Rd, and Rd' are as described herein, and which are
useful as inhibitors of tryptase, thrombin, trypsin, Factor Xa, Factor
VIIa, Factor XIa, and urokinase-type plasminogen activator and may be
employed in preventing and/or treating asthma, chronic asthma, allergic
rhinitis, and thrombotic disorders.