| 4-oxo-4h-1-benzopyran-2-carboxylic aci compd. with n-ethylethanamine (1:1) |
| 4-oxo-4h-1-benzopyran-2-carboxylic acid compd. with n-ethylethanamine (1:1) |
| 4-oxo-4h-1-benzopyran-2-carboxyli compd. with diethylamine (1:1) |
| angiophtal |
| campel |
| chromocarb diethylamine |
| diethylamine chromone-carboxylate-2 |
| fludarene |
| 4-oxo-4h-1-benzopyran-2-carboxylic aci compd. withn-ethylethanamine (1:1) |
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