5 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 Hypercholesterolemia such as atherosclerosis, coronary heart disease and other forms of cardiovascular diseases; Chemical preparations for medical purposes, namely, for novel enzyme responsive inhibitors that allow for modifications of the composition of microbial communities; Organic chemical preparations for medical purposes, namely, immunomodulators with anti-inflammatory properties; Organic chemical preparations and enzymes for medical laboratory analysis purposes, namely, for medical detection, identification and quantification of strains of pathogenic bacteria; Chemical preparations for medical laboratory analysis purposes, namely, for medical immunological and microbiological blood testing; Chemical preparations for medical laboratory analysis purposes, namely, for medical detection of pathogenic bacteria, namely, various strains of Listeria, Clostridium, Bacillus and Staphylococcus; Chemical preparations for medical laboratory analysis purposes, namely, for the medical detection and quantification of bacteria strains of Escherichia coli; Medical preparations for the diagnosis of Staphylococus aureus, in particular for Methicillin-resistant Staphylococcus aureus (MRSA)