28351
The most potent cytotoxic compound ( 4k ) against MOLT - 3 had the highest Gu value , correspondingly the inactive p - methoxy analog ( 4d ) had the lowest Gu value .
 p - methoxy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 p - methoxy