Table 2.

Comparison between ions and fragments in positive mode for 1 and MTX3 in the literature. nd: not detected.

Peaks	Ion Species and Fragments Reported in ESI(+)-LRMS for:
	Compound 1	MTX3 by Lewis et al. [29]
1099.5	nd	[M-H+2Na+K]+
1083.5	[M-H+2Na]+	[M-2H+3Na]+
1077.5	[M+K]+	[M-H+Na+K]+
1061.5	[M+Na]+	[M-H+2Na]+
1056.5	[M+NH4]+	nd
1055.5	nd	[M+K]+
1039.5	[M+H]+	[M+Na]+
1021.5	[M+H-H2O]+	[M+Na-H2O]+
1003.5	[M+H-2H2O]+	[M+Na-2H2O]+
996.5	nd	[M-H+Na+K-SO3]+
981.5	[M+Na-SO3]+	[M-H+2Na-SO3]+
963.5	nd	[M-H+2Na-H2O-SO3]+
959.5	[M+H-SO3]+	[M+Na-SO3]+
941.5	[M+H-H2SO4]+	[M+Na-H2O-SO3]+
923.5	[M+H-H2O-H2SO4]+	[M+Na-2H2O-SO3]+
905.5	[M+H-3H2O-SO3]+	[M+Na-3H2O-SO3]+
887.5	[M+H-4H2O-SO3]+	[M+Na-4H2O-SO3]+

nd: not determined.