.alpha.,.alpha.,.beta.-Trichloropropionic acid 2,2,3-Trichloropropionic acid 3278-46-4 Chloropon NSC32688 Omnidel Propanoic acid, 2,2,3-trichloro- Propionic acid, 2,2,3-trichloro- Ro 3-1727 TCP WLN: QVXGG1G