Reactant
3,4-Dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione
O=C1CCC2(C(=O)CCC2C1CCC3=C(O)C(O)=CC=C3C)C
Product
(3E,1Z)-4,5-9,10-Diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate
C/C(=C/C=C(\C(=O)[O-])/O)/C(=O)CC[C@H]1[C@@H]2CCC(=O)[C@@]2(C)CCC1=O