2-Ethyl-2-hydroxybutyric acid 2-(o-tolyl)hydrazide 22-G 3166-48-1 BRN 0914803 BUTYRIC ACID, 2-ETHYL-2-HYDROXY-, 2-(o-TOLYL)HYDRAZIDE Butanoic acid, 2-ethyl-2-hydroxy-, 2-(2-methylphenyl)hydrazide Diethylglycolic o-tolylhydrazide Toluzide o-Tolylhydrazide of diethylglycolic acid