try the ref

Oh, an empty article!

You can get started by double clicking this text block and begin editing. You can also click the Text button below to add new block elements. Or you can drag and drop an image right onto this text. Happy writing!

the first table to ref \ref{first}


Side groups investigated for this molecule series
Nubmer Side Groups
1 \(NO_{2}\)
2 \(CN\)
3 \(F\)
4 \(H\)
5 \(t-Butyl\)
6 \(OMe\)
7 \(NMe_{2}\)