Medicinal preparations, namely, photosensitizing agents used as a dermatologic drug for the treatment of skin cancer by phototherapy; Chemical reagents for medical or veterinarian use; Chemical reagents for use as culture media for cultures of microorganisms for medical use, namely, for the isolation and identification of the bacteria strain Escherichia coli O157:H7; Chemical preparations for medical purposes, namely, for Cholesterol testing to prevent possible consequences of Hypercholestero...