34818-18-3
4-methoxy-3,6-dimethyl-2H-pyran-2-one
→
~73%
921603-47-6
4-methoxy-5-methyl-6-oxopyran-2-carbaldehyde
5192-62-1
3,6-二甲基-4-羟基-2-吡喃酮
921603-46-5
6-(2-iodoethenyl)-4-methoxy-3-methylpyran-2-one