Table 1. ¹H (850 MHz) and ¹³C NMR (212.5 MHz) Data for Compound 1 in CD₃OD (δ ppm)^a.

position	δH (J in Hz)	δCb
2		176.2 C
3	4.55 s	70.1 CH
4		75.5 C
5α	4.41 d (10.0)	72.3 CH2
5β	4.26 d (10.0)
6a	4.39 d (11.5)	64.6 CH2
6b	4.43 d (11.5)
1′		120.4 C
2′	7.59 d (2.0)	112.3 CH
3′		147.4 C
4′		151.8 C
5′	6.86 d (8.0)	114.6 CH
6′	7.61 dd (8.0, 2.0)	123.9 CH
7′		166.2 C
3′-OCH3	3.91 s	54.9 CH3

^aCoupling constants (Hz) are given in parentheses.

^b13C NMR data were assigned based on HSQC and HMBC experiments.