"[Chloroquine] was synthesized in 1934 by Hans Andersag at Bayer, and the initial evaluation of the drug by Bayer marked it down as too toxic for human use." In the Pipeline: #Chloroquine, Past and Present via #quinoline #Covid19
Instructive backgrounder, for anyone who is interested, on chloroquine by "If this drug isn’t useful, then sending hundreds of millions out to swallow it ... will be a massive waste of time and money, and will actively harm people besides."
Chloroquine - some chemical history and some thoughts on its current moment of fame
Chloroquine Past and Present
Chloroquine, Past and Present
Neat article about Chloroquine -- it makes chemistry sound kind of cool, a real feat
Chloroquine Past and Present