We are currently doing a research on its allelopathic properties but as far as I have looked, there seems to be quite only a few studies published about B. papyrifera's allelochemicals.
There is an Allelopathy Journal exclusively devoted to the science of Allelopathy. There are also books on the subject which can be found in the journal website.
I just hope that more of these journals will be accessible for students like me as currently, I do not have sufficient resources. Thank you for your help Mr. Sethiya and Mr. Rao!