A crystalline compound, C13H16F3N3O4, used as a herbicide.
氟乐灵一种结晶状的化合物，c13h16f3n3o4，用作除锈。
A crystalline compound, C18H 18, derived from pine tar, fossil resins, and tar oils.
一种结晶化合物，C18 H 18，从由松焦油、化石树脂及焦油中提取。
Acetaminophen, a crystalline compound, C8H9NO2, used in chemical synthesis and in medicine to relieve pain and reduce fever.
对乙酰氨基酚，醋氨酚晶体化合物，C8H9NO2，用于化学合成和医药上来缓解疼痛和退烧。
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