Secalonic Acid A (CDCl3)
Position	δC	δH (J in Hz)
1, 1′	159.4	-
–OH 1,1′	-	11.75 (s) (2H)
2, 2′	118.2	-
3, 3′	140.2	7.46 (d, 8.5) (2H)
4, 4′	107.6	6.63 (d, 8.5) (2H)
4a, 4a′	158.3	-
5, 5′	76.9	3.93 (dd, 11.3, 1.6) (2H)
–OH 5,5′	-	2.81 (d, 2.2) (2H)
6, 6′	29.2	2.41 (m) (2H)
7, 7′	36.3	2.74 (dd, 19.0, 6.1) (2H)
		2.32 (dd, 19.0, 11.5) (2H)
8, 8′	177.5	-
–OH 8,8′	-	13.78 (s) (2H)
8a, 8a′	101.5	-
9, 9′	187.2	-
9a, 9a′	106.9	-
10a, 10a′	84.7	-
11, 11′	18.0	1.17 (d, 6.4) (6H)
12, 12′	170.3	-
13, 13′	53.3	3.73 (s) (6H)