Publications with shared reference: Saturated amine oxides: part 10. hydroacridines: part 32. linear <sup>17</sup>O/<sup>13</sup>C and <sup>13</sup>C/<sup>13</sup>C chemical shift correlations between saturated azaheterocyclic <i>N</i>‐methylamine <i>N</i>‐oxides, and the methiodides of their parent amines