23778
For two of them , viz . , 3 ' , 4 ' - dimethoxywogonin and 4 ' - hydroxywogonin , such data have not been reported in literature .
 Chemical: 3 ' , 4 ' - dimethoxywogonin; Chemical: 4 ' - hydroxywogonin
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: 3 ' , 4 ' - dimethoxywogonin; Chemical: 4 ' - hydroxywogonin