three ecdysteroids conjugates with a hydroxy group at c-20 were isolated from developing eggs of locusta migratoria and identified as 22-phosphate conjugates of 2-deoxy-20-hydroxy-ecdysone , 20-hydroxyecdysone and 20-hydroxyecdysone acetate .
C0058915
ecdysteroids
C0013495
20-hydroxyecdysone