Invention Grant
US09018175B2 3,4,4a,10b-Tetrahydro-1H-thiopyrano-[44,3-c] isoquinoline derivatives 有权
3,4,4a,10b-四氢-1H-噻喃并[4,3-c]异喹啉衍生物

3,4,4a,10b-Tetrahydro-1H-thiopyrano-[44,3-c] isoquinoline derivatives
Abstract:
The compounds of Formula (1), in which A, R1, R2, R3 and R5 have the meanings as given in the description, are novel effective inhibitors of type 4 and 5 phosphodiesterase.
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