Заранее благодарю!
1. J. Liquid Chromatogr. Related Technol. 2009, 32, 984-999.
Lu X., Xing H., Su B., Yang Y., Ren Q.
Separation of macromolecular impurities in penicillin G sodium by gel filtration chromatography.
- DOI:
http://dx.doi.org/10.1080/10826070902790892
Ishikawa S., Neya S., Funasaki N.
Dimerization of penicillin V as deduced by frontal derivative chromatography.
- DOI:
http://dx.doi.org/10.1016/S0167-2991(01)82072-3