Acetal (S, Chem) [suo1 quan2] 
缩醛 Acetaldehyd, Ethanal (S, Chem) [yi3 quan2] 乙醛 Aldehyd, Aldehyde (S, Chem) [quan2] 醛 Alditol, Alditole, Zuckeralkohole (S, Chem) [quan2 tang2 chun2] 醛醣醇 Aldohexose (S, Chem) [quan2 ji3 tang2] 醛己糖 Aldohexose (S, Chem) [quan2 ji3 tang2] 醛己醣 Aldopentose (S, Chem) [quan2 wu4 tang2] 醛戊醣 Aldose (S, Chem) [quan2 tang2] 醛糖 Aldose (S, Chem) [quan2 tang2] 醛醣 Aldosteron (Chem) [quan2 gu4 tong2] 醛固酮 Aldotetrose (S, Chem) [quan2 ding1 tang2] 醛丁醣 Arabinose (S, Chem) [shu4 jiao1 quan2 tang2] 树胶醛糖 Benzaldehyd (S, Chem) [ben3 jia3 quan2] 苯甲醛 Dinitrobenzaldehyd (S, Chem) [er4 xiao1 ben3 jia3 quan2] 二硝苯甲醛 Formaldehyd (S, Chem) [jia3 quan2] 甲醛 Formalin (S, Chem)Methanal (S, Chem) [jia3 quan2 shui3] 甲醛水 Glycerinaldehyd, Glyceraldehyd, Glyceral (S, Chem) [gan1 you2 quan2] 甘油醛 Glyoxylsäure, Glyoxalsäure, Oxoessigsäure, Ethanalsäure (S, Chem) [yi3 quan2 suan1] 乙醛酸 Harnstofformaldehyd (S, Chem) [niao4 quan2 shu4 zhi1] 尿醛树脂 Hemiacetal, Halbacetal (S, Chem) [ban4 suo1 quan2] 半缩醛 Polyformaldehyd (S, Chem) [ju4 jia3 quan2] 聚甲醛 Propenal, Acrolein (S, Chem) [bing3 xi1 quan2] 丙烯醛 Retinal [shi4 huang2 quan2] 视黄醛 Thial, Thioaldehyd (S, Chem) [liu2 quan2] 硫醛 
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