发明公开
EP1791847A2 NOVEL 3-THIA-10-AZA-PHENANTHRENE DERIVATIVES 审中-公开
新颖的3-THIA-10-AZA-苯乙烯衍生物

NOVEL 3-THIA-10-AZA-PHENANTHRENE DERIVATIVES
摘要:
Compounds of a certain formula 1, in which A, R1, R2 and R3 have the meanings indicated in the de- scription, are novel effective PDE4 inhibitors.
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