三氯氧磷 Traditional form: 三氯氧磷 Pinyin (reading): sānlüyǎnglín Definitions: phosphorous oxychloride Characters: 三 - three 氯 - chlorine 氧 - oxygen 磷 - phosphorus Traditional characters: 三 - three 氯 - chlorine 氧 - oxygen 磷 - phosphorus