Imciromab Pentetate [USAN:BAN]; Imciromab pentetate; C 4; C-4 (drug); Immunoglobulin G 2a (mouse monoclonal R11D10 cell Fab fragment anti-human cardiac myosin heavy chain), disulfide with mouse monoclonal R11D10 cell kappa-chain, N,N-bis(2-(bis(carboxymethyl)amino)ethyl)glycine conjugate; Immunoglobulin G 2a (mouse monoclonal R11D10 cell Fab fragment anti-human cardiac myosin heavy chain), disulfide with mouse monoclonal R11D10 cell kappa-chain, N,N-bis(2-(bis(carboxymethyl)amino)ethyl)glycine conjugate. Molecular weight is approximately 50,000 daltons; Myoscint