6194
The precursor - product ion pairs used for LC - MS / MS analysis were : m / z 945 --> 475 for ginsenoside Re , 799 --> 637 for ginsenoside Rg1 , 783 --> 475 for ginsenoside Rg2 , 637 --> 475 for ginsenosides Rh1 and F1 , 475 --> 391 for protopanaxatriol , and 779 --> 641 for digoxin ( internal standard ) .
 Chemical: ginsenoside Re; Chemical: ginsenoside Rg1; Chemical: ginsenoside Rg2; Chemical: ginsenosides Rh1 and F1; Chemical: protopanaxatriol; Chemical: digoxin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ginsenoside Re; Chemical: ginsenoside Rg1; Chemical: ginsenoside Rg2; Chemical: ginsenosides Rh1 and F1; Chemical: protopanaxatriol; Chemical: digoxin