1-二甲基呋喃-1-3-酮

1-ethylsulfanylbuta-1,3-diyne

1,1,3,3-四甲氧基丁烷

1,1,3-triethoxy-but-2-ene

(3aS*R*,6aS*R*,11bS*R*)-3a,6,6a,7-Tetrahydro-3a-methyl-1H-pyrrolo[2,3-d]carbazol-2-(3H),5(4H)-dion