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Terms containing urethan | all forms | exact matches only
SubjectEnglishChinese
chem.ethyl urethan尿烷
chem.ethyl urethan氨基甲酸乙酯
chem.urethan calcium bromide乌拉坦-溴化钙
chem.urethan calcium bromide氨甲酸乙酯-溴化钙