Intact incorporation of δ-(α-<scp>L</scp>-aminoadipoyl)-<scp>L</scp>-[3-<sup>13</sup>C]cysteinyl-<scp>D</scp>-[<sup>15</sup>N]valine into isopenicillin N. Observation of one-bond<sup>13</sup>C–<sup>15</sup>N coupling
作者:Robert L. Baxter、Christopher J. McGregor、Gordon A. Thomson、A. Ian Scott