2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-, disodium salt (9CI), Ponceau 3R (6CI), C.I. 16155, D and C Red 15, Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-2,7-naphthalenedisulfonate, Dolkwal Ponceau 3R, Ext D and C Red No. 15, FD and C Red No. 1, FD&C Red No. 1, FDC Red 1, Japan Red 1, Japan Red 502, Maple Ponceau 3R, Ponceau 3R Lake, Ponceau 3R sodium salt, Ponceau 3RN, Scarlet F, Usacert Red No. 1