13884
Reduction of D ( + ) affords D2 , leaving the hydride ligand intact .
 Chemical: D ( + ); Chemical: D2; Chemical: hydride
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: D ( + ); Chemical: D2; Chemical: hydride