863984-00-3Relevant academic research and scientific papers
COUMARIN DERIVATIVE AND USE THEREOF
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Page/Page column 103, (2008/06/13)
The present invention relates to an alkaline earth metal salt or an organic amine salt of a compound represented by the formula [I]: wherein R1 and R2 are each a hydrogen atom, a halogen atom, or an optionally substituted linear hydrocarbon group; ring A is an optionally further substituted benzene ring; B is an optionally substituted benzene ring; R is a carboxyl group or a linear hydrocarbon group substituted with a carboxyl group and the like.
