. 2018 Aug 6;16(8):276. doi: 10.3390/md16080276

Table 3.

Selected ¹H and ¹³C NMR data comparison with 6, (2S,11R,12R)-isosarcophytoxide (8) and (2R,11R,12R)-isosarcophytoxide (9).

Position	6	8 ^a	9 ^a
H-11	δ_H 2.51 (H-11, H-11′)	δ_H 2.50	δ_H 2.75
C-11	δ_C 62.1 (C-11)	δ_C 62.3	δ_C 61.2
C-11	δ_C 62.2 (C-11′)	δ_C 62.3	δ_C 61.2
C-12	δ_C 61.2 (C-12)	δ_C 61.4	δ_C 60.7
C-12	δ_C 61.3 (C-12′)	δ_C 61.4	δ_C 60.7
C-13	δ_C 37.3 (C-13)	δ_C 37.4	δ_C 35.4
C-13	δ_C 37.4 (C-13′)	δ_C 37.4	δ_C 35.4
C-14	δ_C 22.6 (C-14)	δ_C 22.5	δ_C 20.4
C-14	δ_C 22.7 (C-14′)	δ_C 22.5	δ_C 20.4
H₃-18	δ_H 1.58 (H₃-18)	δ_H 1.58	δ_H 1.70
H₃-18	δ_H 1.59 (H₃-18′)	δ_H 1.58	δ_H 1.70
H₃-20	δ_H 1.27 (H₃-20, H₃-20′)	δ_H 1.28	δ_H 1.18
C-20	δ_C 15.7 (C-20, C-20′)	δ_C 15.7	δ_C 17.7

^a The selected ¹H and ¹³C data were cited from ref. [36,37].