20475
In the present study , we investigated whether mollugin , purified from roots of Rubica cordifolia L . , down - regulated MDR1 expression in MCF - 7 / adriamycin ( MCF - 7 / adr ) cells , a human breast multidrug - resistant cancer cell line .
 Chemical: mollugin; Chemical: adriamycin
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: mollugin; Chemical: adriamycin