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Six new bisbenzylisoquinoline alkaloids ( 1 - 6 ) and seven known compounds ( 8 - 14 ) were isolated from the tubers of Stephania epigaea , in addition to the major alkaloid , cepharanthine ( 7 ) .
 Chemical: bisbenzylisoquinoline alkaloids; Chemical: cepharanthine
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: bisbenzylisoquinoline alkaloids; Chemical: cepharanthine