16625
Considering the yield and anti - inflammatory potential together , the CH2Cl2 fraction was selected for chromatographic separation to yield two active porphyrin derivatives , pheophorbide a and pheophytin a , together with an inactive fucoxanthin .
 CH2Cl2, porphyrin, pheophorbide a, pheophytin a, fucoxanthin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 CH2Cl2, porphyrin, pheophorbide a, pheophytin a, fucoxanthin