5255-58-3
5-amino-6-hydroxy-4-methylchromen-2-one
→
88519-00-0
2-benzylsulfanyl-9-methylpyrano[3,2-e][1,3]benzoxazol-7-one
88518-93-8
9-methyl-2-sulfanylidene-1H-pyrano[3,2-e][1,3]benzoxazol-7-one