Table 1. ¹H and ¹³C NMR Data of Compound 10 (CDCl₃; 500 MHz for ¹H and 126 MHz for ¹³C NMR; δ in ppm).

positiona	δC, type	δH (J in Hz)b
1	129.1, C
2, 6	127.9, CH	7.36, d (8.5)
3, 5	114.9, CH	6.93 d (8.5)
4	158.7 C
7	134.1, CH	6.67 d (15.9)
8	121.0, CH	6.25
9	65.4 CH2	4.86 dd (6.1, 0.9)
1′	134.4 C
2′, 6′	128.1 CH	7.54 m
3′, 5′	128.9 CH	7.39
4′	130.3 CH	7.39
7′	145.0 CH	7.74 d (16.2)
8′	118.0 CH	6.49 d (15.9)
9′	166.8 C
1″	129.1 C
2″, 6″	128.0 CH	7.31 d (8.5)
3″, 5″	1115.4 CH	6.80 d (8.5)
4″	155.4 C
7″	132.9 CH	6.67 d (15.9)
8″	121.9 CH	6.28
9″	68.8 CH2	4.69 dd (6.1, 1.2)

^aFor atom numbering, see Figure 3.

^bOverlapping signals are reported without multiplicity.