7141
An increase in (1) 4 CO 2 production without a parallel increase in the oxygen consumption indicated that raloxifene caused a diversion of NADH from the mitochondrial respiratory chain to another oxidative reaction .
 (1) 4 CO 2, oxygen, raloxifene, NADH
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 (1) 4 CO 2, oxygen, raloxifene, NADH