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1H and 13C NMR data for 3 in CDCl3.
| No. | δC | δH (J in Hz) | No. | δC | δH (J in Hz) |
|---|---|---|---|---|---|
| 8 | 134.8 | 16 | 170.9 | ||
| 9 | 77.1 | 3.46 (br. d, ca. 4) | 17 | 79.5 | 5.47 (s) |
| 11 | 21.6 | 1.73 (tt like, ca. 4, 15) | 18 | 17.1 | 0.95 (s) |
| 1.98 (dt like, ca. 4, 15) | 20 | 120.1 | |||
| 12 | 27.3 | 1.09 (dt like, ca. 3, 15) | 21 | 141.2 | 7.45 (t like, ca. 2) |
| 1.56 (dt like, ca. 4, 15) | 22 | 110.0 | 6.40 (t like, ca. 2) | ||
| 13 | 39.2 | 23 | 142.8 | 7.38 (t like, ca. 2) | |
| 14 | 136.7 | 30 | 17.0 | 1.90 (s) | |
| 15 | 66.9 | 4.90 (s) | 9-OCH3 | 57.3 | 3.41 (s) |
