7-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-methylsulfanylpyrrolo[2,3-d]pyrimidine-5-carbonitrile

1-(methyldisulfanyl)-4-nitrobenzene

4-methylthioacetoacetic acid ethyl ester

methyl 4-methylsulfanyl-3-oxobutanoate

ethyl 2-chloro-4-methylsulfanylpyrimidine-5-carboxylate