NOVEL GUANIDINYL-SUBSTITUTED HYDROXY-6-PHENYLPHENENTHRIDINESAS EFFECTIVE PHOSPHODIESTERASE (PDE) 4 INHIBITORS

摘要

Compounds of a certain formula (1), in which R1, R2, R3, R31, R4, R5, R6 and
R7 have the meanings indicated in the description, are novel effective PDE4
inhibitors in which R7 is a radical of formulae (a), (b), (c) or (d).