Calcon-carboxylic Acid; 3-hydroxy-4(2-hydroxy-4-sulfo-1-naphthyl-azo)-2-naphthalenecarboxylic acid; 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]naphthalene-2-carboxylic acid; 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid,indicator grade; 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid; CAL-RED(R); Patton and Reeder Dye; CalconCarboxylicAcidGr; HHSNN; 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid; HHSNNA; Patton and Reeder’s; CAL RED; 2,2''-dihydroxy-4''-sulfo-1,1''-azonaphthalene-3-carboxylic acid; Calconcarboxylic aci; Kalces
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