Synonyms: Riboflavine,2',3',4',5'-tetranicotinate (8CI); Benzo[g]pteridine, riboflavin deriv.;Nicotinic acid, 2',3',4',5'-tetraester with riboflavine (8CI); B2-Nic; RN 4;Riboflavin tetranicotinate; Riboflavine tetranicotinate; Vitamin B2tetranicotinate