What word does the cursive radical and "Zhuo" form? What's its pronunciation?

Pronunciation [s]

This is a special word in chemistry and medicine. It refers to cycloheptatriene positive ions.

"?" This word is very commonly used in the medical field. The most common sedative: diazepam, which is benzodiazepine? Class.

Usage: diltiazem? , benzodiazepines? Class, diltiazem hydrochloride? .

Sentence: benzodiazepine? Drugs can induce and maintain general anesthesia.