METHOD OF OBTAINING LITHIUM, SODIUM, POTASSIUM, CALCIUM AND MAGNESIUM SALTS OF FLUDARBIN PHOSPHATE, PURIFICATION METHOD USEFUL IN OBTAINING FLUDARBIN PHOSPHATE AND FLUDARBIN PHOSPHATE OF MINIMUM 99,5 PURITY OBTAINED THEREBY

摘要

The invention relates to a method for producing fludarabin phosphate lithium, sodium, potassium, calcium and magnesium salts which can be used as intermediate products for purifying fludarabin phosphate, and to fludarabin phosphate which is at least 99.5 % pure.