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Table 1 NMR spectral data for compounds 1 and 2

From: Cytotoxic and cell cycle arrest properties of two steroidal alkaloids isolated from Holarrhena floribunda (G. Don) T. Durand & Schinz leaves

Chemical shift (ppm)
  Compound 1 Compound 2
Peak 1H (δH) 13C (δC) 1H (δH) 13C (δC)
1   33.0   32.0
2   29.4   29.8
3 3.12 46.7 3.15 45.2
4   40.0   35.4
5   139.0   39.0
6 5.38 122.8   28.5
7   31.74   28.8
8   31.78   35.9
9   50.2   54.2
10   37.3   36.3
11   20.7   20.7
12   38.7   39.0
13   43.9   44.2
14   56.8   56.7
15   24.4   24.3
16   22.7   22.7
17 2.54 63.6 2.48 63.8
18 0.63 13.1 0.55 13.4
19 0.97 18.8 0.73 11.3
20   209.6   209.8
21 2.10 31.5 2.06 31.9