化学式C20H16N2O4(摩尔质量:348.352 g/mol)可以指:

同系物导航
C20H18N2O4
C19H14N2O4 C20H16N2O4 C21H18N2O4
C20H14N2O4

C20H16N2O3 C20H16N2O5
C20H15NO4 C20H17N3O4