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C - DIM5 and C - DIM12 given orally once daily after one week of exposure to MPTP and probenecid prevented further loss of dopaminergic neurons in the substantia nigra pars compacta and striatal dopamine terminals , indicating that these compounds could be effective therapeutic agents to prevent neurodegeneration .
 Chemical: MPTP; Chemical: probenecid; Chemical: dopamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: MPTP; Chemical: probenecid; Chemical: dopamine