in addition , other dicarbonyl reagents , 1,4-dibromo-2,3-butanedione , 1-phenyl-1,2-propanedione , phenylglyoxal , 16-oxoestrone , 1,2-cyclohexanedione , 2,4-pentanedione and glyoxal were found to decrease the dehydrogenase activity in various degree .
C0031478
phenylglyoxal
C0017992
glyoxal