10873
A series of 5 - and 8 - methoxypsoralen ( MOP ) analogs , suitable for structure - antioxidative / anti - inflammatory activity relationship studies , were synthesized using as key - reactions the selective monobromination of MOPs with N - bromosaccharin and either a Heck reaction or a Suzuki coupling or a Suzuki coupling followed by a Wittig reaction to install side - chains of the acrylate - or benzoate - or cinnamate - type , respectively .
 5 - and 8 - methoxypsoralen, MOP, MOPs, N - bromosaccharin, acrylate, benzoate, cinnamate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 5 - and 8 - methoxypsoralen, MOP, MOPs, N - bromosaccharin, acrylate, benzoate, cinnamate