The molecular formula C19H26O4 (molar mass: 318.407 g/mol, exact mass: 318.1831 u) may refer to:
- Methoxyestriol
- 2-Methoxyestriol (2-MeO-E3)
- 4-Methoxyestriol (4-MeO-E3)
This set index page lists chemical structure articles associated with the same molecular formula.
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