20940
Synthesis using microwave irradiation and antibacterial evaluation of new N , O - acetals and N , S - acetals derived from 2 - amino - 1 , 4 - naphthoquinones .
 Chemical: N , O - acetals; Chemical: N , S - acetals; Chemical: 2 - amino - 1 , 4 - naphthoquinones
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: N , O - acetals; Chemical: N , S - acetals; Chemical: 2 - amino - 1 , 4 - naphthoquinones