Get C10 H12 MO N5 O7 P S2 = mss = (molybdopterin-s,s)-oxo-molybdenum Get C10 H13 MO N5 O8 P S3 = mtq = (molybdopterin-s,s)-dioxo-thio-molybdenum(v) Get C10 H14 MO N5 O8 P S3 = mtv = (molybdopterin-s,s)-dioxo-thio-molybdenum(iv) Get C19 H26 MO N8 O16 P2 S2 = pcd = (molybdopterin-cytosine dinucleotide-s,s)-dioxo-aqua- molybdenum(v); molybdenum cofactor; moco