Chemical Name : 3-Oxo-6α,7α,15α,16α-tetrahydro-3′H,3″H-dicyclopropa[6,7:15,16]-17α-pregn-4-en-21,17-carbolactone (as per EP)

Smiles : C[C@@]12[C@](OC3=O)(CC3)[C@@H](C4)[C@@H]4[C@@]1([H])[C@@]([C@@H]5[C@H]6C5)([H])[C@]([C@](C6=CC7=O)(CC7)C)([H])CC2