14077
Nanoliposomal formulations of C6 - ceramide and tamoxifen were also effective , yielding synergistic cell kill .
 Chemical: C6 - ceramide; Chemical: tamoxifen
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: C6 - ceramide; Chemical: tamoxifen