methyl N-(1H-indol-2-ylmethyl)carbamodithioate

ethyl 2-cyano-2-[4-(2-ethoxy-2-oxoethyl)-4-hydroxy-1,3-dithiolan-2-ylidene]acetate

ethyl 2-[2-(dicyanomethylidene)-4-hydroxy-1,3-dithiolan-4-yl]acetate

ethyl 3-(3-amino-4-cyano-5-methylsulfanylthiophen-2-yl)-3-oxopropanoate

9-methyl-2-sulfanylidene-1H-pyrano[3,2-e][1,3]benzoxazol-7-one