Vial of Picrolonic acid (1g) from a BDH spot test kit
Vial of Picrolonic acid (1g) from a BDH spot test kit, made by British Drug Houses Ltd (Laboratory Chemicals Group), Poole, England
Vial of Picrolonic acid (1g) from a BDH spot test kit, made by British Drug Houses Ltd (Laboratory Chemicals Group), Poole, England