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Other forms of vitamin B 3 include the corresponding amide and nicotinamide (niacinamide), where the carboxyl group has been replaced by a carboxamide group (CONH 2), as well as more complex amides and a variety of esters.
Niacin and niacinamide are forms of Vitamin B3. Vitamin B3 is found in many foods including yeast, meat, fish, milk, eggs, green vegetables, beans, and cereal grains.Niacin and niacinamide are also found in many vitamin B complex supplements with other B vitamins. Niacin is used for high cholesterol.It is also used along with other treatments for circulation problems, migraine headache, dizziness, and to reduce the diarrhea associated with cholera.Niacin is also used for preventing positive urine drug screens in people who take illegal drugs.iacin is used for high cholesterol. It is also used along with other treatments for circulation problems, migraine headache, dizziness, and to reduce the diarrhea associated with cholera. Niacin is also used for preventing positive urine drug screens in people who take illegal drugs.