Molecular Formula: C21H28O2 Formula Weight: 312.45
Levonorgestrel;D(?)-Norgestrel;13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one;17α-Ethynyl-18-homo-19-nor-testosterone;18,19-Dinor-13β-ethyl-17β-hydroxy-4-pregnen-20-yn-3-one