Table 4

Lot No.	Imp-1	Imp-2	Imp-3	Imp-4	Imp-5	Max. Single Unknown Imp.	Total impurities	Assay by HPLC
001	0.01	ND	0.04	0.06	0.01	0.04	0.17	99.9
002	0.02	ND	0.06	0.08	0.02	0.03	020	99.8
003	0.01	ND	0.04	0.07	0.02	0.01	0.17	99.7

Figure 4: Linearity chart for bortezomib impurities.