The chemical compounds of [1] are not regarded as being of similar nature because all of the alternatives do not share a common property or activity. [2]
Examiner Note:
1. In bracket 1: For international applications in the international phase, identify the groups involved by Roman numerals (e.g., "Groups I and II") in accordance with the groups listed using form paragraphs 18.06 - 18.06.02. For U.S. national stage applications under 35 U.S.C. 371 , identify the species involved where species have been listed using form paragraph 18.20.