Quinukillin derivatives as torchbearers of muscle receptors

摘要

The invention provides formula (I) compounds, wherein R5 is a set of formula (II) or (III) and R1, R2, R3, R4, R6, a, B, Z, all of which are defined in descriptive memory, a preparation process, drug synthesis containing these components, a preparation process for pharmaceutical preparation, its use in treatment and Intermediate compounds for preparation.