4-methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone , 0.99 , 【88482-23-9】
Molecular Formula: C11H4O6
Formula Weight: 232.146
5-HYDROXYBENZENE-1,2,4-TRICARBOXYLIC ACID , 0.95 , 【4961-03-9】
Molecular Formula: C9H6O7
Formula Weight: 226.14
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