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The first total synthesis of apigenin 7 - O - beta - D - cellobioside ( 5 ) and apigenin 7 - O - beta - D - cellobiosyl - 4 ' - O - beta - D - glucopyranoside ( 8 ) , which were isolated from petals of Salvia patens and Salvia uliginosa , were achieved in four and six steps and 76 % and 57 % , respectively , overall yield , from naringenin ( 1 ) .
 apigenin 7 - O - beta - D - cellobioside, apigenin 7 - O - beta - D - cellobiosyl - 4 ' - O - beta - D - glucopyranoside, naringenin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 apigenin 7 - O - beta - D - cellobioside, apigenin 7 - O - beta - D - cellobiosyl - 4 ' - O - beta - D - glucopyranoside, naringenin