(1S,2R)-1-(3,6-diethyl-5-(4-methylpyridin-2-yloxy)pyrazin-2-ylamino)-2,3-dihydro-1H-inden-2-ol 、 alkaline earth salt of/the/ methylsulfuric acid 在
sodium hydride 作用下,
生成 N-((1S,2R)-2-ethoxy-2,3-dihydro-1H-inden-1-yl)-3,6-diethyl-5-(4-methylpyridin-2-yloxy)pyrazin-2-amine