xanthenes造句

例句与造句

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 ).
It's difficult to find xanthenes in a sentence. 用xanthenes造句挺难的