2935
Eldecalcitol ( ELD ) , a 2 beta - hydroxypropyloxy derivative of 1 alpha , 25 ( OH ) 2D3 , inhibits bone resorption more potently than alfacalcidol ( ALF ) while maintaining osteoblastic function in an ovariectomized ( OVX ) osteoporosis rat model .
 Eldecalcitol, ELD, 2 beta - hydroxypropyloxy, 1 alpha , 25 ( OH ) 2D3, alfacalcidol, ALF
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Eldecalcitol, ELD, 2 beta - hydroxypropyloxy, 1 alpha , 25 ( OH ) 2D3, alfacalcidol, ALF