User:Leiem/sandbox 常用代码 {{朝鮮語漢字詞|XX}} {{ja-verb-suru|XX}}待撰 烃类有机物烷烃 烯烃 炔烃 methane ethane ethene ethyne propane propene propyne butane butene butyne pentane pentene pentyne hexane hexene hexyne heptane heptene heptyne octane octene octyne nonane nonene nonyne decane decene decyne
