methyl 2-benzoylamino-5-ethoxy-4-methylpenta-2,4-dienoate

1H-Pyrrole, 3-methyl-1-[tris(1-methylethyl)silyl]-

4-甲基吡咯-2-羧酸甲酯

N-(2-methyl-3-oxoprop-1-enyl)glycine methyl ester

4-(3-methoxy-2-methylallylidene)-2-phenyloxazol-5(4H)-one