3-Pyridinamine, 2,4-dimethoxy-3-Pyridinamine, 2,4-dimethoxy-T39406 · CAS 217096-31-6¥290.00 / 10mg 起选规格
5,6-dimethyl-3-oxo-2H-pyridazine-4-carbonitrile5,6-dimethyl-3-oxo-2H-pyridazine-4-carbonitrileT39660 · CAS 40380-36-7¥980.00 / 25mg 起选规格