Cyfystyron:

PIGMENT COCH 49:1; 2-(2-Hydroxy-1-naphthylazo)-1-halen bariwm asid naphthalenesulfonic (2:1); lithol ba coch; Bariwm bis[2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate]; Bariwm bis[2-(2-hydroxy-1-naphthylazo)-1-naphthalenesulfonate];D&C Coch Rhif 12;Pigment Coch 49(Ba);PR49:1 BARIWM LITHOL

Gwenau Canonaidd:C1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)[O-])NN=C3C(=O)C=CC4=CC=CC=C43.C1=CC=C2C (=C1)C=CC(=C2S(=O)(=O)(O)[O-])NN=C3C(=O)C=CC4=CC=CC=C43.[Ba+2]