Robuta

https://pubs.rsc.org/en/content/articlelanding/2012/md/c2md20011b Squaric acid: a valuable scaffold for developing antimalarials? - MedChemComm (RSC Publishing) We describe here the synthesis of a library of thirty-eight squaric derivatives and the evaluation of activity against papain-, falcipain-2- and a... acidvaluablescaffold