7368
Vizantin , 6 , 6 ' - bis - O - ( 3 - nonyldodecanoyl ) - alpha , alpha ' - trehalose , was developed as a safe immunostimulator on the basis of a structure - activity relationship ( SAR ) study with trehalose 6 , 6 ' - dicorynomycolate ( TDCM ) .
 Vizantin, 6 , 6 ' - bis - O - ( 3 - nonyldodecanoyl ) - alpha , alpha ' - trehalose, trehalose 6 , 6 ' - dicorynomycolate, TDCM
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Vizantin, 6 , 6 ' - bis - O - ( 3 - nonyldodecanoyl ) - alpha , alpha ' - trehalose, trehalose 6 , 6 ' - dicorynomycolate, TDCM