Chemical preparations for medical or pharmaceutical purposes, namely, for enhancing human fertility; Sterilizing liquids, namely, sanitary sterilizing preparations; Sterilizing preparations in the nature of sterilizing agents; Sterilizing preparations; Sterilizing substances in the nature of sterilizing preparations; Sterilizing preparations, namely, sterilizing solutions; kits for the sterilization of liquid nitrogen for medical use, with said kits being comprised of sterilizing preparations...