| 1 | 71735-33-6 | acenaphthyleneoctol | acenaphthyleneoctol | C12H8O8
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| 2 | | COUMALIC ACID, (2-PYRONE-5-CARBOXYLIC ACID) | COUMALIC ACID, (2-PYRONE-5-CARBOXYLIC ACID) | C12H8O8
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| 3 | 3468-83-5 | 2-Acetyl-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone | 2-Acetyl-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone | C12H8O8
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| 4 | | Pentacyclo[4.2.0.02,5.03,8.04,7]octane-1,2,4,7-tetracarboxylic acid | Pentacyclo[4.2.0.02,5.03,8.04,7]octane-1,2,4,7-tetracarboxylic acid | C12H8O8
| | |
| 5 | 23640-01-9 | | 4,7-Epoxycyclobut[f]isobenzofuran-5,6-dicarboxylic acid, 1,3,3a,4,4a,6a,7,7a-octahydro-1,3-dioxo- | C12H8O8
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