Diosgenin, 5g

Dibenzo[bc,ef]coronene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 190-31-8

(1S,2R,3R,4R)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol, , Solvent-, Unit , # of units-, Cas.no. 79356-06-2 (Unspecified sterochemistry)

Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE