英文名称:2-Naphthalenesulfonicacid,5-[[2-chloro-6-[(3-sulfophenyl)amino]-4-pyrimidinyl]amino]-4-hydroxy-3-(2-phenyldiazenyl)-,sodium salt (1:2); 2-Naphthalenesulfonicacid,5-[[2-chloro-6-(m-sulfoanilino)-4-pyrimidinyl]amino]-4-hydroxy-3-(phenylazo)-,disodium salt (8CI); 2-Naphthalenesulfonic acid,5-[[2-chloro-6-[(3-sulfophenyl)amino]-4-pyrimidinyl]amino]-4-hydroxy-3-(phenylazo)-,disodium salt (9C