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- 3-羟基N-甲基取代物Levorphanol
- 苯甲酸及其甲基取代物的激光光解研究Studies of Benzoic Acid and Its Methyl Substitutes by Using Laser Flash Photolysis
- 2-,3-,4-取代物和对应的典型图样比较时,具有更多的规律性。Di-, tri-and tetra-substituted material show even more regularity with respect to the appropriate typical patterns.
- 2-，3-，4-取代物和对应的典型图样比较时，具有更多的规律性。Di-, tri-and tetra-substituted material show even more regularity with respect to the appropriate typical patterns.
- 羟基hydroxy
- 甲基取代的香豆素bromomethy! substituted coumarin
- 取物fetch
- 溴酸消旋-N-甲基-3-羟基吗啡烷racemorphan hydrobromide
- 物语story
- 羧甲基取代度对淀粉生物降解性能的影响Effect of Carboxymethyl Group Substitution Degree on Biodegradability of Starch
- 不及物动词intransitive verb(缩写：vi.)
- 取代物proxy
- 再次甲基取代作用remethylation
- 某物something
- N，N-双(3,5-二叔丁基-4-羟基苄基)甲胺N, N-bis(3,5-di-t-butyl-4-hydroxybenzyl)methylamine
- 装饰物ornament
- 标的物subject matter
- 氨苄青霉素-3-羟基酞酯talampicillin
- 苯乙胺-N-甲基转移酶phenylethyla mine-N-methyl transferase
- 氰化物prussiate
