QUINAZOLINE AND PYRIDO[2,3-d]PYRIMIDINE INHIBITORS OF PHOSPHODIESTERASE (PDE) 7

摘要

Quinazoline and pyrido[2,3-d]pyrimidine phosphodiesterase 7 (PDE 7) inhibitors of the following formula [insert chemical structure here] wherein R1, R2, L, Y1, Y2, Y3 and Z are as described herein, are provided which are useful in treating T-cell mediated diseases.