dimethylamine + L-citrulline => N(omega),N(omega)-dimethyl-L-arginine + H2O
dimethylamine + l-citrulline => n(omega),n(omega)-dimethyl-l-arginine + h2o
dimethylamine + L-citrulline => N(omega),N(omega)-dimethyl-L-arginine + H2O
dimethylamine + l-citrulline => n(omega),n(omega)-dimethyl-l-arginine + h2o