Supelco Trans-Sinapic Acid, CAS 7362-37-0, Analytical Standard 50 Mg

Phytolab Trans-Cinnamic Acid, CAS 140-10-3, Phyproof Reference Substance 100 Mg

Phytolab Trans-Coutaric Acid, CAS 27174-07-8, Phyproof Reference Substance 10 Mg

Sigma-Aldrich Boc-Trans-4-Isopropyl-Pyrrolidine-3-Carboxylic Acid 50 Mg

Sigma-Aldrich 3,4-(Methylenedioxy)Cinnamic Acid, Predominantly Trans, CAS 2373-80-0, 99% 5 G