3431
In this report the biological properties of the compounds ZK161422 and ZK157202 , which are 20-methyl- and 20-methyl-23- eneanalogues , respectively, have been analyzed in comparison with VD .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities:  
Answer:
 None