.delta.16 unsaturated c17 heterocyclic steroids useful as...

.delta.1:4-6-halo-16.alpha.-methyl-pregnadienes and a...

.delta.1:4-6-halo-16.alpha.-methyl-pregnadienes and a...

.delta.2 and .delta.3-3-acetyl-pregnene-20-ones

.delta.2,11 and .delta.3,11-choladienic acid lower alkyl esters

.delta.2-12-oxygenated-22-isoallospirostenes

.delta.20,23-21-halogen-choladienes

.delta.20:23-21-halogen-choladienes and process of making same

.delta.4 and .delta.1,4-3,20-diketo-21-hydroxy pregnane...

.delta.4 and .delta.5 derivatives of 17.alpha.-alkenyl- and...

.delta.4,16-pregnadiene-3,11,20-trione

.delta.4,20,22-bufatrienolide rhamnoside acylates and...

.delta.4,20,22-bufatrienolide rhamnoside ethers and process...

.delta.4,20,22-bufatrienolides

.delta.4,5-3,11,20 triketo pregnenes

.delta.4,6-3.beta.-hydroxy-20-oxo-pregnadienes and process

.delta.4,6-4-hydroxy-steroids and process

.delta.4,7-3,20-diketo-17-hydroxy-11,21-bis-oxygenated...

.delta.4,8(14)-3,20-diketo-17-hydroxy-11,21-bis-oxygenated-p...

.delta.4,8(9)-3,20-diketo-11,17-dihydroxy-21-oxygenated-preg...