摘要:
Compounds of a certain formula I, in which R1, R2, R3, R31, R4, R5, R6 and R7 have the meanings indicated in the desription, are novel effective PDE4 inhibitors.
摘要:
Compounds of a certain formula I, in which R1, R2, R3, R31, R4, R5, R6 and R7 have the meanings indicated in the desription, are novel effective PDE4 inhibitors.