11417
We showed previously , using [ ( 3 ) H ] - ( + ) - 4 - propyl - 9 - hydroxynaphthoxazine ( [ ( 3 ) H ] - ( + ) - PHNO ) autoradiography , that several antipsychotic drugs do not occupy dopamine D3 receptors at clinically - relevant doses in rat .
 Chemical: [ ( 3 ) H ] - ( + ) - 4 - propyl - 9 - hydroxynaphthoxazine; Chemical: [ ( 3 ) H ] - ( + ) - PHNO; 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: [ ( 3 ) H ] - ( + ) - 4 - propyl - 9 - hydroxynaphthoxazine; Chemical: [ ( 3 ) H ] - ( + ) - PHNO; Chemical: dopamine