26249
A range of 4 - substituted derivatives of the pan class I PI 3 - kinase inhibitor 2 - ( difluoromethyl ) - 1 - [ 4 , 6 - di - ( 4 - morpholinyl ) - 1 , 3 , 5 - triazin - 2 - yl ] - 1H - benzimidazole ( ZSTK474 ) were prepared in a search for more soluble analogs .
 Chemical: 2 - ( difluoromethyl ) - 1 - [ 4 , 6 - di - ( 4 - morpholinyl ) - 1 , 3 , 5 - triazin - 2 - yl ] - 1H - benzimidazole; Chemical: ZSTK474
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: 2 - ( difluoromethyl ) - 1 - [ 4 , 6 - di - ( 4 - morpholinyl ) - 1 , 3 , 5 - triazin - 2 - yl ] - 1H - benzimidazole; Chemical: ZSTK474