67-66-3 Chloroform Chloroforme Cloroformio Formyl trichloride Freon 20 Methane trichloride Methane, trichloro- Methenyl trichloride Methyl trichloride NCI-C02686 NSC77361 R 20 R 20 (refrigerant) Trichloormethaan Trichlormethan Trichloroform Trichloromethane Triclorometano WLN: GYGG