18286
In contrast , the reciprocal D2 . 63 ( 176 ) K - K373D mutant regained function for both CP55 , 940 and WIN55 , 212 - 2 .
 CP55 , 940, WIN55 , 212 - 2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 CP55 , 940, WIN55 , 212 - 2