recognize bitter substances such as papaverine, chloroquine, strychnine, quinacrine and Strychnine.
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<img src="info/img/t2r7.en.png"/><br>
<a href="http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=465290" target="t2r7">NCBI link</a>