p. 1148 - 1153
(2013/07/26)p. 413 - 428
(2007/10/03)p. 231 - 233
(2007/10/02)1,3-dimethyl-1H-pyrazole-4-carbaldehyde
ethyl 4-acetyl-1-methylpyrazole-3-carboxylate
5-[(E)-Hydroxyimino]-4-oxo-4,5-dihydro-thiophene-3-carboxylic acid ethyl ester
4-hydroxy-3-methyl-3-thiophenecarboxylic acid ethyl ester
3-cyano-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester