9164
Salsolinol ( SAL ) , a catechol isoquinoline has invited considerable attention due to its structural similarity with dopaminergic neurotoxin 1 - methyl - 4 - phenyl - 1 , 2 , 3 , 6 - tetrahydropyridine ( MPTP ) .
 Chemical: Salsolinol; Chemical: SAL; Chemical: catechol isoquinoline; Chemical: 1 - methyl - 4 - phenyl - 1 , 2 , 3 , 6 - tetrahydropyridine; Chemical: MPTP
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: Salsolinol; Chemical: SAL; Chemical: catechol isoquinoline; Chemical: 1 - methyl - 4 - phenyl - 1 , 2 , 3 , 6 - tetrahydropyridine; Chemical: MPTP