2g,PURITY:60-70% 5g,PURITY:60-70% 10g,PURITY:60-70%
0.5g,PURITY90%
100mg,PURITY90%
1g,Purity:95%, OD:1-2nm
500mg,Purity:95%, OD:1-2nm 1g,Purity:95%, OD:1-2nm
500 mg,Purity:95%, OD:1-2nm 1 g,Purity:95%, OD:1-2nm
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