Malathion, analytical standard (Supelco)

Malathion, analytical standard (Cerilliant)

(R)-Phenylephrine-(methyl-d3) hydrochloride, analytical standard

Xylometazoline Hydrochloride, analytical standard

Isophthalic acid, analytical standard

Dimethoate d6, analytical standard

Oxybenzone-(phenyl-d5), analytical standard

Ibuprofen-(ring 13C6), analytical standard

Ibuprofen-D3, analytical standard

6-Chloro-2,4-diamino-1,3,5-triazine-13C3, analytical standard