xanthenes造句

• Derivatives of xanthene are commonly referred to collectively as xanthenes, and among other uses are the basis of a class of dyes which includes fluorescein, eosins, and rhodamines.
• Where two of the aryl groups are bridged by a heteroatom, these triarylmethane compounds may be further categorized into acridines ( nitrogen-bridged ), xanthenes ( oxygen-bridged ), and thioxanthenes ( sulfur-bridged ).