英文别名5-methoxy-2-Pyrazinecarboxylic acid methyl ester; 5-METHOXYPYRAZINECARBOXYLIC ACID METHYL ESTER; Methyl 5-methoxy-1(2H)-pyrazinecarboxylate; 2-Pyrazinecarboxylic acid, 5-Methoxy-, Methyl ester; Methyl 5-Methoxypyrazinecarboxylate; 1(2H)-Pyrazinecarboxylic acid, 5-methoxy-, methyl ester 
