the novel bromoacetyl ecdysteroid iv , ( 20r,22r ) -2 beta,3 beta,14 alpha,20,22,25 xi-hexahydroxy-26- ( 3- bromoacetoxypropyl ) -5 beta-cholest-7-en-6-one , baeiv , has been synthesized by extending the side chain on c26 of 20-oh-ecdysone .
C0058915
ecdysteroid
C0013494
ecdysone