Ethisterone
Exploring (2R)-2-ethynyl-2-hydroxy-3a,5a-dimethyl-1,3,3b,4,5,7,8,8a,8b,9,10,10a-dodecahydroindeno[5,4-e]inden-6-one
(2R)-2-ethynyl-2-hydroxy-3a,5a-dimethyl-1,3,3b,4,5,7,8,8a,8b,9,10,10a-dodecahydroindeno[5,4-e]inden-6-one is a compound that exemplifies the complexity and beauty of organic chemistry. Its structure is quite intricate, showcasing a fused polycyclic framework that is of interest to chemists for various reasons: