S-phenyl 4-methylpent-3-enethioate

2-isopropylidenedithiosuccinic acid di-S-phenyl ester

4-methyl-N-(5-methylhexa-3,4-dienyl)benzenesulfonamide

1,1-二甲基丙-2-炔基乙酸酯

2,4-二甲基吡啶