27411
LOD and LOQ are 0 . 3 , 0 . 4 , 0 . 3 , 0 . 8 and 0 . 4 , 0 . 6 , 0 . 5 and 0 . 9 nmol / ml of urine for 6 - MP , 6 - thioguanine , 6 - mercaptopurine riboside and 6 - thioguanine riboside , respectively .
 Chemical: 6 - MP; Chemical: 6 - thioguanine; Chemical: 6 - mercaptopurine riboside; Chemical: 6 - thioguanine riboside
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: 6 - MP; Chemical: 6 - thioguanine; Chemical: 6 - mercaptopurine riboside; Chemical: 6 - thioguanine riboside