Chemical Name: 11α,12α-Epoxy-7α-(methoxycarbonyl)-3-oxo-17α-pregn-4-ene-21,17-carbolactone
Smiles: O=C1C=C(C[C@@]2([H])C(OC)=O)[C@@](CC1)(C)[C@]3([H])[C@]2([H])[C@@](CC[C@@]4(O5)CCC5=O)([H])[C@]4(C)[C@@H]6[C@]3(O6)[H]
Inchi: InChI=1S/C23H28O5/c1-20-6-3-14(24)11-13(20)12-15-18-16-4-7-22(8-5-17(25)27-22)21(16,2)9-10-23(18,20)28-19(15)26/h11,15-16,18H,3-10,12H2,1-2H3/t15-,16+,18+,20+,21+,22-,23-/m1/s1