Here are some Iâve found on the subject of art and art history. â 1  Art is not what you see, but what you make others seeâ -Edgar Degas. â 2 Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seenâ â Leonardo Da Vinci.
Other forms of vitamin B 3 include the corresponding amide and nicotinamide (niacinamide), where the carboxyl group has been replaced by a carboxamide group (CONH 2), as well as more complex amides and a variety of esters.
May 15, 2015 | topicalinfo.org. ...shows nicotinamide (also known as niacinamide) taken twice a day lowers skin cancer risk by 23%. Effects were ...same benefit as nicotinamide or niacinamide in reducing skin cancer incidence.