[化] butadiyne,diacetylene ;
[化] butanedial,succinaldehyde,succindialdehyde,succinic aldehyde ;
butanediamine ;
[化] butanedinitrile,ethylene (di)cyanide,succinonitrile ;
[机] butantetraol,erythrite,erythritol,erythrol ;
[化] crotonyl alcohol,crotyl alcohol ;
[医]butyrase ;
[医] butyrophenone ;
[化] meclofenoxate ;
diacetylmonoxime ;
dilantin,diphenylhydantoin ;
dimantine ;
[医] emetine,ipecine,emetin ;
flurecol,flurenol ;
pickaxe,pick axe,gurlet ;
octin,isometheptene ;
[化] lysidine,[医] ethylene-ethenyldiamine,methylglyoxalidin ;
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