calcium hydrogen 3-[(4-hydroxy-3-sulphonatophenyl)(4-oxo-3-sulphonato-2,5-cyclohexadien-1-ylidene)methyl]benzoate
CAS No. 63494-80-4
calcium hydrogen 3-[(4-hydroxy-3-sulphonatophenyl)(4-oxo-3-sulphonato-2,5-cyclohexadien-1-ylidene)methyl]benzoate