氯化苦 Traditional form: 氯化苦 Pinyin (reading): lühuàkǔ Definitions: chloropicrin Characters: 氯 - chlorine 化 - to change, to convert, to reform; -ize 苦 - bitter; hardship, suffering Traditional characters: 氯 - chlorine 化 - to change, to convert, to reform; -ize 苦 - bitter; hardship, suffering