SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=C3C=CC(=N4)C(=O)O
Description: The molecule is an aza-steroid that is 17-oxoestra-1,3,5(10)-triene-3-carboxylic acid in which the carbon at position 4 in the A-ring has been replaced by a nitrogen. An abiotic metabolite in the 4,5-seco pathway of aerobic estrogen degradation by the bacterium Sphingomonas sp. strain KC8. It has a role as a bacterial metabolite. It is an aza-steroid, a steroid acid and a 17-oxo steroid. It is a conjugate acid of a pyridinestrone-3-carboxylate.