(R)-2-[(4R,5S,6R)-6-((E)-3,3-dimethylbut-1-enyl)-5-hydroxy-2,2-dimethyl-1,3-dioxan-4-yl]-2-methoxy-N-(2-methyl-3-oxo-2,3,4,5-tetrahydro-1H-2-benzazepin-4-yl)acetamide|Huagongshe