Chemical preparations for medical, pharmaceutical and veterinary purposes; amino acids for medical and veterinary purposes; biological preparations for medical and veterinary purposes; ferments for pharmaceutical purposes; enzymes and enzyme preparations for medical and veterinary purposes; bacteriological preparations for medical and veterinary purposes; bacterial poisons; biological tissue cultures for medical and veterinary purposes; cultures of microorganisms for medical and veterinary use; nutritive substances for microorganisms; bouillons for bacteriological substances