How to Find OD's for primary resoureces and Secondry resources for Recipe

Dear Experts,

We have a requuirement to change Recipe (C202).

We dedcide to record BDC for it.

To attach new OD or modify exiting OD for both primary resoureces and Secondry resources we should know how manay OD already attached to this Recipe.

please sugegst how to Find OD's for primary resoureces and Secondry resources for Recipe .

Thanks and Regard's

Ashutosh Tripathi