bht羟基: OH group; oxhydryl; hydroxyl ...茶碱: theophyllinum; theophylline; ...苄基茶碱: benzyl theophylline羟乙基茶碱: oxyethyl-theophylline7氯乙基茶碱: euponophile下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:β-羟基茶碱，即可在微信中查询翻译
