Using the results of the number of explanatory variables used in the RRF-BP modeling process, we built a dendrogram for each tissue. The result is shown in Figure where it can be seen that four clusters was obtained, called as group I to IV. The data including chemical structure used in this study are provided in the Supporting Information file. The software used in this study is freely available; R2.4.1 (), and Python 3.7.10 (). The main codes of Python and R used in this study are also provided in the Supporting Information file (Table ).