procyanidin a2, proanthocyanidin a2 molecule. it is natural product, used in urinary tract infection prevention.

procyanidin proanthocyanidin aesculus ceylon chestnut cinchona cinnamomum cinnamon coli cranberries cranberry escherichia flavanoid hippocastanum juice skeletal supplement urinary uti tract drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector natural product used infection prevention model molecule prevention