NOVEL 3,4,4A,10B-TETRAHYDRO-1H-THIOPYRANO[4,3-C]ISOQUINOLINE COMPOUNDS

摘要

The compounds of formula (1) in which A, X, R1, R2, R3 and R7 have the meanings as given in the description, are novel effective inhibitors of type 4 and type 5 phosphodiesterase.