2beta,3beta,5beta,11alpha,14alpha,20R,22R-Heptahydro xycholest-7-en-6-one 37321-04-3 38778-30-2 Cholest-7-en-6-one, 2,3,5,11,14,20,22-heptahydroxy-, (2beta,3beta,5beta,11alpha,22R)- Muristerone muristerone A