Chemical Name : 3-Oxo-15α,16α-dihydro-3′H-cyclopropa[15,16]-17α-pregna-4,6-diene-21,17-carbolactone (as per EP)

Smiles : O=C1CC[C@@]2(C)C(C=C[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])[C@]([H])(C5)[C@@]5([H])[C@]46OC(CC6)=O)=C1