... View Article Online / Journal Homepage / Table of Contents for this issue Page 2. ... Chemical shifts are referenced to internal sodium [2,2,3,3-*H4]-3- trimethylsilylpropionate = 0.00 ppm ... I. Murakoshi, F. Ikegami, Y. Hinuma, and Y. Hanma, Phyto- chemistry, 1984, 23, 1905. ...