单词 | theophylline |
释义 | the·oph·yl·line ![]() n. A colorless crystalline alkaloid, C7H8N4O2, derived from tea leaves or made synthetically, used as a bronchodilator primarily to treat asthma and chronic obstructive pulmonary disease. [New Latin thea, the tea plant (ultimately from Dutch thee); see TEA + PHYLL(O)- + -INE2.] |
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