86882-77-1
6-methyl-2-sulfanylidene-1H-pyrano[2,3-e][1,3]benzoxazol-8-one
→
~74%
86882-78-2
6-methyl-2-methylsulfanylpyrano[2,3-e][1,3]benzoxazol-8-one
24618-19-7
8-氨基-7-羟基-4-甲基-2H-色烯-2-酮