Immunoglobulin G1, Anti-(Mucin CanAg) (Human-Mouse Monoclonal C242 Heavy Chain), Disulfide with Human-Mouse Monoclonal C242 Light Chain, Dimer, Compound with N(Sup 2')-Deacetyl-N(Sup 2')-(3-Mercapto-1-Oxopropyl)Maytansine (1:4)