Methyl 4-hydroxybenzoate-methyl d3, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1216543-26-8

Butyric acid

Dimethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-11-3

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.