1-Furan-2-yl-3-methylsulfanyl-benzo[4,5]imidazo[1,2-c]pyrimidine-4-carbonitrile

Furan-2-carboxylic acid [4,5-dimethyl-[1,3]oxathiol-(2E)-ylidene]-amide

Furan-2-carboxylic acid [4-acetyl-5-methyl-[1,3]oxathiol-(2E)-ylidene]-amide

ethyl 2-furanyl-carbonylimino-5-methyl-1,3-oxathiole-4-carboxylate