42 Research and development in the fields of pharmaceuticals, biologics, chemistry, protein engineering, proteins and derivatives, antibody-drug conjugates, immunostimulatory antibody-drug conjugates, dual conjugates, cytokines, bispecific antibodies, engineered antibodies, oncology, and immunology; Providing medical scientific research information in the fields of pharmaceuticals, biologics, chemistry, protein engineering, proteins and derivatives, antibody-drug conjugates, immunostimulatory anti-drug conjugates, cytokines, bispecific antibodies, engineered antibodies, oncology, and immunology; Drug discovery, custom design, and development services featuring therapeutic agents for the treatment and prevention of diseases.