| http://www.w3.org/ns/prov#value | - the appropriate diketones, there is obtained 5,6-dihydro-6,8-dimethyl-1H-thiopyrano[3,2-c:5,4-c']dipyrazole and 5,6-dihydro-3,6-dimethyl-1H-thiopyrano[3,2-c:5,4-c']dipyrazole.If the procedure of the first paragraph is repeated using the same carboxaldehyde but using methyl hydrazine in place of hydrazine, the product obtained is a mixture of isomers.
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