您要查找的是不是：
- Water, does not contain saccharin, without caffeine, even without theophylline. 白开水，不含糖精，没有咖啡因，更无茶碱。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Contain caffeine, theobromine, or theophylline, which can be toxic and affect the heart and nervous system. 含有咖啡因，可可碱或茶碱，这些有毒物质会损伤猫的心脏和神经系统。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- Methylxanthines such as theophylline,pentoxifylline and caffeine were increasingly regarded in recent research. 甲基黄嘌呤类生物碱是目前日益受到重视的精子体外处理剂。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- Tea contains, in addition to caffeine, small amounts of two other methyl xanthines, theobromine and theophylline, 3,7 -dimethy1 and 1,3-dimethy1 xanthine, respectively. 茶除了含咖啡因以外，还含有少量的另外两种甲基黄酮嘌呤，即可可碱和茶碱，它们分别是3，7-二甲基黄嘌呤和1，3-二甲基黄嘌呤。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- It is a substance called caffeine. 这种物质就是咖啡因。
- Tea contains,in addition to caffeine,small amounts of two other methyl xanthines,theobromine and theophylline,3,7 -dimethy1 and 1,3-dimethy1 xanthine,respectively. 茶除了含咖啡因以外，还含有少量的另外两种甲基黄酮嘌呤，即可可碱和茶碱，它们分别是3，7-二甲基黄嘌呤和1，3-二甲基黄嘌呤。
- I'm trying to cut down on sugar and caffeine. 我决定减少对糖和咖啡因的摄取量。
- An organic compound containing many double bonds. 多烯一种包含许多双键的有机化合物
- The primary bulk pharmaceuticals produced are: Caffeine, Theophylline, Aminophylline, Metronidazole, Metronidazole benzoate, Secnidazaole and Nifedipine. 公司生产的主要原料药有：咖啡因、茶碱、氨茶碱、甲硝唑、苯酰甲硝唑、噻硝唑、硝苯地平。
- Now there are cola drinks without caffeine. 现在也有不含咖啡因的可乐类饮料。
- Caffeine and nicotine are stimulants. 咖啡因和尼古丁是刺激物质。
- Caffeine makes some people feel nervous. 咖啡因会使一些人感到情绪激动。
- A medicinal compound formerly used as an antidote for poison. 解毒剂一种药物复合剂，以前用于解毒
