(-)-Combretastatin (R)-(-)-Combretastatin 3-Hydroxy-4-methoxy-alpha-(3,4,5-trimethoxyphenyl)benzeneethanol 82855-09-2 Benzeneethanol, 3-hydroxy-4-methoxy-alpha-(3,4,5-trimethoxyphenyl)-, (R)- Benzeneethanol, 3-hydroxy-4-methoxy-alpha-(3,4,5-trimethoxyphenyl)-, (alphaR)- Combretastatin NSC 348103