Betulinicaldehydeoxime is a pentacyclic triterpenoid and derivative of the cholesterol biosynthesis inhibitor betulin .1It is active againstE. aerogenes,E. coli,E. faecalis,P. aeruginosa,S. aureus, andC. albicans, as well asL. donovaniamastigotes, when used at a concentration of 50 μM.1,2Betulinicaldehydeoxime (50 μM) is cytotoxic to Huh7 hepatocellular carcinoma cells.2