Levonorgestrel Impurity 2

Levonorgestrel Impurity 2 is a specified impurity listed in pharmacopeial or regulatory documentation, often related to synthesis or degradation of levonorgestrel. Its exact structure depends on the source (e.g., Ph. Eur., USP, or internal specification), but it is typically a structurally related compound such as a stereoisomer, oxidized form, or intermediate.