Table 3.

¹H (700 MHz) NMR Data (δ_H, J in Hz) for 9–14 in DMSO-d₆^a

position	9	10	11	12	13	14
2	2.73, d (16.1)	2.72, d (16.0)	2.73, d (16.1)	2.71, d (16.0)	2.72, d (16.1)	2.73, d (16.1)
	2.59, dd (16.1, 2.1)	2.59, dd (16.0, 1.8)	2.59, dd (16.1, 2.1)	2.59, dd (16.0, 2.0)	2.59, dd (16.1, 2.1)	2.60, dd (16.0, 2.0)
4	3.11, d (16.5)	3.10, d (16.5)	3.10, d (16.5)	3.09, d (16.5)	3.09, d (16.5)	3.10, d (16.6)
	2.95, dd (16.6, 1.8)	2.94, br d (16.5)	2.94, dd (16.7, 1.8)	2.94, dd (16.6, 1.8)	2.93, dd (16.5, 2.1)	2.94, dd (16.3, 2.1)
5	7.28, d (7.9)	7.27, d (7.8)	7.28, d (7.9)	7.27, d (7.8)	7.25, d (8.3)	7.27, d (8.7)
6	7.45, dd (7.8, 2.0)	7.51, dd (7.8, 1.7)	7.45, dd (7.9, 2.0)	7.57, dd (7.9, 2.0)	7.44, dd (7.9, 2.0)	7.62, dd (7.9, 1.9)
7	6.33, d (2.2)	6.18, s	6.31, d (2.3)	6.17, s	6.26, d (2.2)	6.08, s
9	6.98, d (8.1)	6.98, d (8.1)	6.97, d (8.1)	6.96, d (8.1)	6.92, d (8.1)	6.94, d (8.1)
10	7.41, t (8.1)	7.39, t (7.7)	7.40, t (8.0)	7.37, br t (8.0)	7.38, t (8.0)	7.36, t (8.0)
11	7.06, d (7.6)	7.05, d (7.5)	7.05, d (7.6)	7.03, d (7.5)	7.03, d (7.5)	7.01, d (7.5)
12	6.43, d (2.3)	6.13, s	6.48, d (2.3)	6.22, s	6.58, br d (5.1)	6.43, d (5.0)
12a	7.69, d (1.9)	7.89, d (1.5)	7.67, d (2.0)	7.96, d (1.9)	7.68, d (1.9)	7.96, d (1.8)
13	3.63, s	3.66, s	3.62, s	3.66, s	3.63, s	3.64, s
14	1.29, s	1.29, s	1.29, s	1.29, s	1.28, s	1.29, s
15	3.30, s	3.43, s	3.61, q (7.5)	3.82, dq (9.5, 7.1)
				3.69, dq (9.6, 7.0)
16			1.16, t (7.1)	1.23, t (7.1)
3-OH	4.79, s	4.79, s	4.78, s	4.78, s	4.79, s	4.79, s
12-OH					6.88, d (7.4)	7.23, d (5.5)

^aAssignments are based on COSY, HMBC, HSQC, and NOESY experiments.