směs (2:1): 4-(7-hydroxy-2,4,4-trimethylchroman-2-yl)benzen-1,3-diol-tris(6-diazo-5-oxo-5,6-dihydronaftalen-1-sulfonát) a 4-(7-hydroxy-2,4,4-trimethylchroman-2-yl)benzen-1,3-diol-bis(6-diazo-5-oxo-5,6-dihydronaftalen-1-sulfonát)
a 2:1 mixture of: 4-(7-hydroxy-2,4,4-trimethyl-2-chromanyl)resorcinol-4-yl-tris(6-diazo-5,6-dihydro-5-oxonaphthalen-1-sulfonate) and 4-(7-hydroxy-2,4,4-trimethyl-2-chromanyl)resorcinolbis(6-diazo-5,6-dihydro-5-oxonaphthalen-1-sulfonate)