| Position | δ C | DEPT | δ H (J/Hz) | HSQC | 1H -1H COSY | 1H -1H TOCSY | 1H -13C HMBC | | 2 | 160.2 | C | / | / | / | / | H-10, H-14, H-15 | | 4 | 112.3 | CH | 8.68 (1H, d, 2.1) | + | / | H-6, H-7 | C-5, C-6, C-8, C-9 | | 5 | 132.9 | C | / | / | / | / | H-4, H-7 | | 6 | 122.5 | CH | 8.51 (1H, dd, 9.1, 2.1) | + | H-7 | H-4, H-7 | C-4, C-8, C-9 | | 7 | 114.7 | CH | 8.29 (1H, d, 9.1) | + | H-6 | H-4, H-6 | C-4, C-5, C-9 | | 8 | 136.8 | C | / | / | / | / | H-4, H-6, H-10 | | 9 | 147.6 | C | / | / | / | / | H-4, H-6, H-7 | | 10 | 40.9 | CH2 | 4.96 (2H, t, 8.3) | + | H-11 | H-11 | C-2, C-8, C-11 | | 11 | 50.0 | CH2 | 3.43 (2H, t, 8.3) | + | H-10 | H-10 | C-10, C-12a, C-12b | | 12a | 48.8 | CH2 | 3.36 (4H, m) | + | H-13a | H-13a, H-13b | C-11, C-12b, C-13a | | 12b | 48.8 | CH2 | 3.36 (4H, m) | + | H-13b | H-13a, H-13b | C-11, C-12a, C-13b | | 13a | 9.1 | CH3 | 1.39 (6H, t, 7.3) | + | H-12a | H-12a, H-12b | C-12a | | 13b | 9.1 | CH3 | 1.39 (6H, t, 7.3) | + | H-12b | H-12a, H-12b | C-12b | | 14 | 29.7 | CH2 | 3.65 (2H, t, 7.6) | + | H-15 | H-15 | C-2, C-15, C-16 | | 15 | 33.0 | CH2 | 3.27 (2H, t, 7.6) | + | H-14 | H-14 | C-2, C-14, C-17a, C-17b | | 16 | 131.6 | C | / | / | / | / | H-14, H-18a, H-18b | | 17a | 130.7 | CH | 7.21 (2H, d, 8.6) | + | H-18a | H-18a, H-18b | C-15, C-17b, C-18a, C-19 | | 17b | 130.7 | CH | 7.21 (2H, d, 8.6) | + | H-18b | H-18a, H-18b | C-15, C-17a, C-18b, C-19 | | 18a | 116.0 | CH | 6.85 (2H, d, 8.6) | + | H-17a | H-17a, H-17b | C-16, C-18b, C-19 | | 18b | 116.0 | CH | 6.85 (2H, d, 8.6) | + | H-17b | H-17a, H-17b | C-16, C-18a, C-19 | | 19 | 159.7 | C | / | / | / | / | H-17a, H-17b, H-18a, H-18b, H-20 | | 20 | 64.5 | CH2 | 3.98 (2H, q, 7.0) | + | H-21 | H-21 | C-19, C-21 | | 21 | 15.1 | CH3 | 1.35 (3H, t, 7.0) | + | H-20 | H-20 | C-20 |
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