... D-ribityl) isoalloxazine, B-complex vitamin, Dolo-Neurotrat, flavin, flavine, lactoflavin, riboflavine, vitamin B2, vitamin G.CAS NO: 83-88-5Molecular ... swelling/soreness, glossitis (tongue swelling) angular stomatitis/cheilosis (skin cracking or sores at the corners of the mouth), ... dermatitis (skin irritation), or anemia.Particular groups may be particularly ...