We can supply following intermediates with high quality and competitive prices : 8-Hydroxyquinoline 148-24-3 99.5%/99.0% 5-Sulphosalicylic Acid; 2-Hydroxy-5-Sulfobenzoic Acid Dihydrate 5965-83-3 99.0%(total acid) 5-Sulphosalicylic Acid: 2-Hydroxy-5-Sulfobenzoic Acid Dihydrate 5965-83-3 Reagent Grade August Jin sinospharma@263.net