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Abstract
Reaction of L-tartaric acid with thiocarbohydrazide (72) afforded the 1,2-bis[4-amino-5-mercapto-1,2,4-triazol-3-yl]-1,2-ethanediol (73). Reaction of 73 with phenacyl bromide, benzoin, ethyl bromoacetate, maleic anhydride, dimedone, carbon disulfide and p-nitrobenzaldehyde was studied.