ecgonine benzoate(-)-benzoylecgonine(1R,2R,3S,5S)-8-methyl-3-[(phenylcarbonyl)oxy]-8-azabicyclo[3.2.1]octane-2-carboxylic acid3-(Benzoyloxy)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylic acidBCGBEGBenzoylecgonineO-Benzoyl-(-)-ecgonineO-benzoylecgonine