10431
Synthesis and Biological Evaluation of [ 1 , 2 , 4 ] Triazolo [ 3 , 4 - a ] phthalazine and Tetrazolo [ 5 , 1 - a ] phthalazine Derivatives Bearing Substituted Benzylpiperazine Moieties as Positive Inotropic Agents .
 Chemical: [ 1 , 2 , 4 ] Triazolo [ 3 , 4 - a ] phthalazine; Chemical: Tetrazolo [ 5 , 1 - a ] phthalazine; Chemical: Benzylpiperazine
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: [ 1 , 2 , 4 ] Triazolo [ 3 , 4 - a ] phthalazine; Chemical: Tetrazolo [ 5 , 1 - a ] phthalazine; Chemical: Benzylpiperazine