¶ 18.07.03c    Alternatives Do Not Share a Common Structure or Belong to Recognized Class

The chemical compounds of [1] are not regarded as being of similar nature because: (1) all the alternatives do not share a common structure and (2) the alternatives do not all belong to a recognized class of chemical compounds. [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.

2. In bracket 2, insert reasoning.