英文别名
pyrazine-2,3,5,6-tetracarboxylic acid 2,3;5,6-dianhydride;difuro[3,4-b;3',4'-e]pyrazine-1,3,5,7-tetraone;pyrazine-2,3,5,6-tetracarboxylic acid dianhydride;1H,3H-Difuro[3,4-b:3',4'-e]pyrazine-1,3,5,7-tetrone;5,11-dioxa-2,8-diazatricyclo[7.3.0.03,7]dodeca-1,3(7),8-triene-4,6,10,12-tetrone