TABLE 2.

Masses of (M-H)^- ions of 7889 LOS

Experimental (M-H)-	Calculated ± moiety	Calculated (M-H)-
1,639.0	−LA	1,639.3
1,738.6	−OS, −H3PO4	1,738.3
1,836.3	−OS	1,836.3
1,916.1	−OS, +HPO3	1,916.3
2,039.0	−OS, +HPO3, +PEA	2,039.3
3,352.1	−PEA	3,353.5
3,396.6	−HPO3	3,396.6
3,434.5	−Ac	3,434.5
3,477.0a		3,476.6a
3,533.6	+Gly	3,533.6
3,556.0	+HPO3	3,556.6
3,613.4	+Gly, +HPO3	3,613.6
3,678.6	+HPO3, +PEA	3,679.6

Ac, Acetyl.

^aStructure shown in Fig. 2B.