2,7-Naphthalenedisulfonic acid, 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:3), reaction products with 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid and 2-ethylbenzenamine, coupled with diazotized 2-[(2-aminoethyl)sulfonyl]ethyl hydrogen sulfate-2,4-diaminobenzenesulfonic acid-2,4,6-trichloro-1,3,5-triazine reaction products