4-[(3-carboxy-2-hydroxy-1-naphthyl)methyl]-3-hydroxy-naphthalene-2-carboxylic acid; 1-[(2E,4E)-5-pyrrolidin-1-ylpenta-2,4-dienylidene]pyrrolidin-1-ium
CAS No. 22974-36-3
ROLFEN 40 89248-57-7