CIS-BIS(DIETHYLDITHIOCARBAMATO)DINITROSYLMOLYBDENUM, DIBROMOTETRACARBONYLMOLYBDENUM(II), AND DICARBONYL AND TRICARBONYLBIS(DIETHYLDITHIOCARBAMATO)MOLYBDENUM(II) - MO(CO)6+BR2-]MOBR2(CO)4+2CO MOBR2(CO)4+2NAS2CN(C2H5)2-]MO(CO)2[S2CN(C2H5)2]2+2CO+2NABR MO(CO)2[S2CN(C2H5)2]2+2NO-]MO(NO)2[S2CN(C2H5)2]2+2CO