The antimycotic activity of 16 o-nitrophenylhydrazones against strains
of Hansenula anomala, Saccharomyces cerevisiae, Candida parapsylosis,
and Cryptococcus albidus was tested. All 16 compounds inhibited growt
h of the yeast strains. The inhibitory activity of the 4 methyl-deriva
tives substituted on the aromatic nucleus was particularly significant
.