SMILES: CC(=O)[C@@]12[C@@H](C[C@@H]3[C@@]1(CC[C@H]4[C@H]3CCC5=CC(=O)CC[C@]45C)C)OC(O2)(C)C
Description: The molecule is a cyclic ketal that is the 16alpha,17alpha-acetonide derivative of algestone. It has a role as an anti-inflammatory drug. It is a 3-oxo-Delta(4) steroid, a 20-oxo steroid and a cyclic ketal. It derives from an algestone.