19404
Michaelis constants ( Km ) were obtained for 4 - nitrobenzylglutathione ( 0 . 075mM ) , 2 , 4 - dinitrophenylglutathione ( 0 . 30mM ) , 4 - methylbiphenylylglutathione ( 0 . 12mM ) , 1 - menaphthylglutathione ( 0 . 23mM ) , and 9 - methylanthracenylglutathione ( 0 . 22mM ) , indicating a trend towards higher values for bulkier substrates .
 Chemical: 4 - nitrobenzylglutathione; Chemical: 2 , 4 - dinitrophenylglutathione; Chemical: 4 - methylbiphenylylglutathione; Chemical: 1 - menaphthylglutathione; Chemical: 9 - methylanthracenylglutathione
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: 4 - nitrobenzylglutathione; Chemical: 2 , 4 - dinitrophenylglutathione; Chemical: 4 - methylbiphenylylglutathione; Chemical: 1 - menaphthylglutathione; Chemical: 9 - methylanthracenylglutathione