4-(3-diphenylphosphoryl-2-methylprop-1-enyl)-2-methyl-1,3-oxazole

2-甲基噻唑-4-甲酰胺

2-甲基-4-恶唑甲醇

2-甲基恶唑-4-甲醛

2-甲基恶唑-4-羧酸