2570-68-5
2-甲基-6-氧代庚酸
→
7047-59-8
N-(3-chloro-4-methylphenyl)-2-oxo-7-propoxychromene-3-carboxamide
7047-57-6
N-(1,3-benzodioxol-5-ylmethyl)-2-oxo-7-propoxychromene-3-carboxamide