More pictures of stilben
![Dinatrium-4,4-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilben-2,2-disulfonat | 16090-02-1](https://i0.wp.com/www.chemicalbook.com/CAS/GIF/16090-02-1.gif)
stilben
