スタチン　Statin

写真は高脂血症から進む心筋梗塞、脳梗塞治療薬の主成分でその化学構造式です。この物質から7種類の治療薬が開発、販売されて世界で最も売れている（2兆円以上）薬、とのことです。
It is a major component of the curative drugs for treating hyperlipidemia that may cause heart attach or brain infarction. The picture shows its chemical structural formula. Seven drugs have been developed using this chemical substance and they are the biggest-selling (more than 2 trillion yen) medicine all over the world.