C19H23NO4

The molecular formula C19H23NO4 (molar mass : 329.39 g/mol, exact mass : 329.162708) may refer to:


 * 14-Methoxymetopon
 * Methylecgonine cinnamate
 * Naloxol
 * Reticuline
 * Salutaridinol, an alkaloid
 * Sinomenine, an alkaloid