the 22-phosphate esters of ecdysone , 2-deoxyecdysone , 20-hydroxyecdysone and 2-deoxy-20-hydroxyecdysone , all of which were first identified as ecdysteroid components of newly-laid eggs of s. gregaria , were identified by co-chromatography with authentic compounds and by physicochemical techniques .
C0013495
20-hydroxyecdysone
C0058915
ecdysteroid