苄 苄 bian4
benzyl (chemistry)

strokes 7
radical
艸
艸
strokes after radical 4
氨苄青霉素 氨苄青霉素 an1 bian4 qing1 mei2 su4
ampicillin (medicine)

苄胺 苄胺 bian4 an4
benzylamine C7H9N