72894-30-5 5-[[5-Chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt
72894-26-9 5-[[5-Chloro-6-methyl-2-(methylsulfonyl)-4-pyrimidinyl]amino]-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt