Selenium (Se)

Dibenzo[e,ghi]perylene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 190-95-4

Senecionine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 130-01-8

3-Methylthiophene