Acetic acid-13C2,2000 µg/mL,MeOH,1mL,

3,4-Dimethylthieno[2,3-b]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17502-58-1

2-Ethylpyridine,neat,neat,100mg,

Bis-(2-chloroethoxy)-methane, 100 ng/µl, 1ml