乙烷

ethene

1-(2,2,6,6-tetramethylpiperidin-1-yl)oxypropan-2-one

顺,顺-1,5-环辛二烯

1,2-cis-2,9-trans-9,10-cis-tricyclo-[8.6.0.02,9]hexadeca-cis-5-cis-13-diene