The series of steps and procedures followed in a scientific experiment to test a hypothesis or investigate a phenomenon.
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2H-1-Benzopyran-2-one, 6-(2,4-dihydroxybenzoyl)-
[PdCl2(PPh2CH2C(Bu(t))=N-N=CH(C6H4OH-2))]
5-bromo-3-chloro-2-hydroxybenzoic acid