Hirtusneanine (DMSO-d6)
Position	δC	δH (J in Hz)
1	159.2	-
–OH 1	-	11.5 (br s) (1H)
2	116.7	-
3	149.6	-
4	109.2	6.66 (s) (1H)
4a	156.8
5	68.8	4.02 (d, 9.5) (1H)
6	31.3	2.05 (ddq, 10.3, 9.5, 6.7) (1H)
7	36.7	2.36 (dq, 10.3, 6.4) (1H)
8	177.8	-
–OH 8	-	13.7 (br s) (1H)
8a	101.3	-
9	186.8	-
9a	105.7	-
10a	85.1	-
11	20.7	1.94 (s) (3H)
12	171.3	-
12a	54.3	3.73 (s) (3H)
13	15.6	1.09 (d, 6.7) (3H)
14	17.3	1.01 (d, 6.4) (3H)
1′	159.6	-
1′–OH	-	11.5 (br s) (1H)
2′	118.1	-
3′	150.2	-
4′	109.3	6.69 (s) (1H)
4a′	156.7	-
5′	68.7	4.07 (d, 1.3) (1H)
6′	28.5	2.28 (dddq, 11.3, 6.7, 6.5, 1.3) (1H)
7′	33.6	2.48 (dd, 19.2, 11.3) (1H)
		2.35 (dd, 19.2, 6.5) (1H)
8′	177.6	-
8′–OH	-	13.7 (br s) (1H)
8a′	102.1	-
9′	186.6	-
9a′	106.3	-
10a′	84.1	-
11′	20.6	1.96 (s) (3H)
12′	68.7	4.14 (dd, 13.0, 7.0) (1H)
		3.75 (dd, 13.0, 4.7) (1H)
12′–OH		3.28 (m) (1H)
13′	17.7	1.04 (d, 6.7) (3H)