(n.) A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid.

adermin aneurin antiberi-beri factor axerophthol biotin carotene cholecalciferol choline cobalamin cryptoxanthin cyanocobalamin ergocalciferol folic acid hepatoflavin inositol lactoflavin menadione naphthoquinone niacin nicotinic acid ovoflavin pyridoxine tocopherol vitamin vitamin B vitamin Bc vitamin D vitamin G vitamin H vitamin K vitamin M