2,6-Dibromo-4-nitropyridine oxide2,6-Dibromo-4-nitropyridine oxideS39881 · CAS 98027-81-798%¥369.00 / 1g 起选规格
2-Pyridinecarboxylicacid,1,4-dihydro-4-oxo-,methylester(9CI)2-Pyridinecarboxylicacid,1,4-dihydro-4-oxo-,methylester(9CI)S39885 · CAS 98321-25-698%¥260.00 / 100mg 起选规格