catechin, epicatechin, flavonoid, c15h14o6 molecule. it is flavanol, a type of natural phenol and antioxidant. structural chemical

antioxidant atom atomic c15h14o6 cage carbon catechin catechine catechu chemical chemistry cocoa drawing epicatechin flat flavan3ol flavanol flavonoid formula herbal hydrogen icon illustration logo mimosa molecular molecule notebook organic oxygen phenol sheet structural structure tea vector