| Atom | Gossypetin (8) | Gossypetin (10) | Gossypitrin (10) | Cuba sample* | ||||
| N˚ | 13C (ppm) | 13C (ppm) | 13C (ppm) | 13C (ppm) | 1H (ppm) | M | I | J (Hz) |
| 1 | / | / | / | / | / |
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| 2 | 146.5 | 146.7 | 147.8 | 145.8 | / |
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| 3 | 135.3 | 135.5 | 136.1 | 135.6 | / |
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| 4 | 175.9 | 176.6 | 176.6 | 176.06 | / |
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| 4a | 102.6 | 103.8 | 104.9 | 102.62 | / |
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| 5 | 152.1 | 152.7 | 151.7 | 152.3 | / |
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| 6 | 97.8 | 98.0 | 98.1 | 97.98 | 6.25 | s | 1 | / |
| 7 | 152.5 | 152.3 | 150.6 | 153.08 | / |
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| 8 | 124.6 | 124.7 | 127.1 | 124.3 | / |
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| 8a | 144.76 | 144.9 | 143.8 | 144.9 | / |
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| 1’ | 122.2 | 122.3 | 122.4 | 122.3 | / |
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| 2’ | 115.2 | 115.3 | 115.5 | 115.79 | 8.07 | d | 1 | 2.02 |
| 3’ | 144.85 | 145.0 | 145.4 | 144.9 | / |
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| 4’ | 147.5 | 147.7 | 148.2 | 148.6 | / |
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| 5’ | 115.3 | 115.5 | 115.9 | 115.86 | 6.99 | d | 1 | 8.71 |
| 6’ | 120.1 | 120.3 | 120.6 | 123.28 | 7.92 | d | 1 | 8.71 |
| 1’’ |
|
| 101.6 | 101.84 | 4.83 | d | 1 | 7.32 |
| 2’’ |
|
| 73.5 | 73.12 | 3.44-3.34 | m | 1 | ** |
| 3’’ |
|
| 77.5 | 75.97 | 3.44-3.34 | m | 1 | ** |
| 4’’ |
|
| 70.0 | 69.14 | 3.44-3.34 | m | 1 | ** |
| 5’’ |
|
| 76.0 | 76.72 | 3.44-3.34 | m | 1 | ** |
| 6’’ |
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| 61.0 | 60.15 | 3.76 | d | 1 | 11.82 |
| 3.63 | dd | 1 | 11.82 3.58 | |||||