5-(2-Acetylhydrazino)-2-hydroxybenzaldehyd 5-(2-Acetylhydrazino)salicylaldehyd 61172-42-7 ACETIC ACID, 2-(3-FORMYL-4-HYDROXYPHENYL)HYDRAZIDE Antibiotic XK 90 BRN 0745286 N-Acetyl-N'-(3-formyl-4-hydroxyphenyl)hydrazine XK 90 XK-90