2,7-Naphthalenedisulfonic acid, 4-[[4-chloro-6-(1-naphthalenylamino)-1,3,5-triazin-2-yl]amino]-5-hydroxy-, sodium salt (1:2), reaction products with 2-amino-4-[(2,3-dibromo-1-oxopropyl)amino]benzenesulfonic acid and sodium nitrite (1:1), trisodium salts