948
LY274614 , 3SR , 4aRS , 6SR , 8aRS - 6 - [ phosphonomethyl ] decahydr oisoquinoline - 3 - carboxylic acid , has been described as a potent antagonist of the N - methyl - D - aspartate ( NMDA ) subtype of glutamate receptor .
 LY274614, 3SR , 4aRS , 6SR , 8aRS - 6 - [ phosphonomethyl ] decahydr oisoquinoline - 3 - carboxylic acid, N - methyl - D - aspartate, NMDA, glutamate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 LY274614, 3SR , 4aRS , 6SR , 8aRS - 6 - [ phosphonomethyl ] decahydr oisoquinoline - 3 - carboxylic acid, N - methyl - D - aspartate, NMDA, glutamate