Due to some reasons each compound name is not always accompanied by its chemicalstructureformula in the abstracts collected by chemistry database.
由于种种原因，在化学数据库所收集的文摘里，每种化合物名称并不一定附有它的化学结构式。
2
Chemicalformula: Expression of the composition or structure of a chemical compound.
化学式：化合物的组成或结构的任何一种表达式的总称。
3
The developed quantitative formula can be applied to predict the biodegradation values of LAS and to help disclose structure-property relationship of chemical compounds.