An eight-state molecular sequential switchfeaturing a dual single-bond rotation photoreaction
{Typical|Common|Standard} photowitches interconvert {between|in between|among|amongst|involving} two {different|various|distinct|diverse|unique|distinctive} states by {simple|easy|straightforward|basic|uncomplicated|very simple} isomerization reactions, which represents a {fundamental|basic} limit for applications. To expand the switching capacity {usually|generally|typically|normally|commonly|ordinarily} {different|various|distinct|diverse|unique|distinctive} photoswitches {have to…