“Antimicrobial properties of 4-aryl-3-(2-methyl-furan-3-yl)-Δ2-1,2,4-triazoline-5-thiones” Agata Siwek, Monika Wujec, Joanna Stefańska, Piotr Paneth, Phosphorus, Sulfur and Silicon, 184, 3149-3159 (2009)