Lindberg M C, Naqvi R H, Matlin S A, Zhou R H, Bialy G, Blye R P
EG&G Mason Research Institute, Worcester.
Int J Androl. 1987 Aug;10(4):619-23. doi: 10.1111/j.1365-2605.1987.tb00361.x.
The enantiomers of gossypol have been tested as male oral anti-fertility agents in hamsters. As determined by fertility tests the (-) isomer was fully active at half the effective dose of the racemate, whereas the (+) isomer exerted no anti-fertility effect.