3'H-Cyclopropa(6,7)pregna-4,6-diene-21-carboxylic acid, 6,7-dihydro-17-hydroxy-3-oxo-, gamma-lactone, (6beta,7beta,17alpha)- 3-(17beta-Hydroxy-6beta,7beta-methylene-3-oxo-4-androsten-17alpha-yl)propionic acid gamma-lactone 49848-04-6 Prorenone SC 23133