15448
In the case of multivitamin sample that contains mainly free nicotinamide , LC / MS monitored nicotinamide and nicotinamide - d ( 4 ) at their SRM channels of m / z 123 --> 80 and m / z 127 --> 84 , respectively , after simple extraction .
 Chemical: nicotinamide; Chemical: nicotinamide; Chemical: nicotinamide - d ( 4 )
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: nicotinamide; Chemical: nicotinamide; Chemical: nicotinamide - d ( 4 )