Tetra
Chemical Name : Coumarin
CAS : 91-64-5
Synonyms: 1,2-Benzopyrone;1-Benzopyran-2-one;2H-1-benzopyan-2-one;2H-1-benzopyran-2-one;2H-chromen-2-one;5,6-Benzo-2-pyrone;Akos 212-75;Benzopyran-2-one;Chromen-2-one;Coumarin;Coumarin, chinese;Coumarin, japan;Cumarin;Labotest-bb lt03328446;Labotest-bb lt03329612;Labotest-bb ltbb002211;Timtec-bb sbb000094;Ukrorgsyn-bb bbr-007751
![1'-T-butoxycarbonyl-5-hydroxy-spiro[chroman-2,4'-piperidin]-4-one](http://thsciimg.chemcd.cn/TS78062.gif)
![2'-Methyl-[1,1'-biphenyl]-4-carboxylic acid methyl ester](http://thsciimg.chemcd.cn/TS52343.gif)