参考资料--Amgen (NASDAQ:AMGN) to Buy Horizon for $26B in its Largest-Ever Deal (tipranks.com), https://www.tipranks.com/news/amgen-nasdaqamgn-to-buy-horizon-for-26b-in-its-largest-ever-deal--Horizon Therapeutics出奇制胜:典型美股Biotech发展历程--上市公司财报信息HZNP 3Q22 Financial Results_11.02.22 (horizontherapeutics.com),https://ir.horizontherapeutics.com/static-files/b3e39f27-2ed6-4c37-843a-d17b24e1b8b8