4247
The corresponding epimers with the 3 - hydroxy group in the beta - position were also effective but less potent ( ED50 values , 33 . 8 - 63 . 5 , i . p . ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None