procyanidin a2 molecular structure, 3d model molecule, proanthocyanidin, structural chemical formula view from a microscope

procyanidin proanthocyanidin molecule molecular structure chemical formula model c30h24o12 atom cranberry chemistry skeletal supplement atomic tract chestnut juice ceylon cinnamon flat aesculus cinnamomum coli illustration organic carbon oxygen drawing hydrogen structural compound composition cinchona escherichia flavanoid hippocastanum urinary uti science line infection medicine prevention view from microscope microscope