7633
Two analogs 11 and 12 showed relatively stronger inhibitory activity against EGFR , while metachromins L - Q ( 1 - 6 ) and seven analogs ( 8 , 10 , 11 , and 15 - 18 ) showed inhibitory activities against HER2 .
 Chemical: metachromins L - Q
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: metachromins L - Q