1346604-13-4

synthesis-005 Allopurinol-001 Allopurinol EP Imp C ALLOPURINOL IMPURITY C Allopurinol Related CoMpound C 5-(1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide 5-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide 1H-Pyrazole-4-carboxamide, 3-(4H-1,2,4-triazol-4-yl)- Allopurinol EP impurity C/ Allopurinol Related Compound C Allopurinol EP Impurity C（Allopurinol USP Related Compound C） Allopurinol EP Impurity C or Allopurinol USP Related Compound C Allopurinol Impurity 3(Allopurinol EP Impurity C)(Allopurinol USP Related Compound C )