Table 1.
Chemical formulas and structures of CLQ and its intermediates.
| Substance | Chemical formula | Chemical structure |
|---|---|---|
| Chloroquine | C18H26ClN3 |  |
| 7-chloro-4-quinolinamine | C9H7ClN2 |  |
| Oxamic acid | C2H3NO3 |  |
| Oxalic acid | C2H2O4 |  |
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