1 XAX {[(5ar,8r,9ar)-2-amino-4-oxo-6,7-di(sulfanyl-kappas)-3,5,5a,8,9a,10-hexahydro-4h-pyrano[3,2-G]pteridin-8-yl]methyl dihydrogenato(2-) phosphate}(hydroxy)oxo(thioxo)molybdenum 1.000 2 MTQ (molybdopterin-S,S)-dioxo-thio-molybdenum(VI) 0.964 3 MTV (molybdopterin-S,S)-dioxo-thio-molybdenum(IV) 0.964 4 MSS (molybdopterin-S,S)-oxo-molybdenum 0.929 5 MTE Phosphonic acidmono-(2-amino-5,6-dimercapto-4-oxo-3,7,8a,9,10,10a-hexahydro-4h-8-oxa-1,3,9,10-tetraaza-anthracen-7-ylmethyl)ester 0.857