Table 2.
Temperature-dependent transformation of target compounds (SP1–SP12).
| sample code | thermochromic transformation |
|---|---|
| SP1 |  |
| SP2 |  |
| SP3 |  |
| SP4 |  |
| SP5 |  |
| SP6 |  |
| SP7 |  |
| SP8 |  |
| SP9 |  |
| SP10 |  |
| SP11 |  |
| SP12 |  |
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