同系物导航
C20H20N2O
C19H16N2O C20H18N2O C21H20N2O
C20H16N2O

C20H18N2 C20H18N2O2
C20H17NO C20H19N3O

化学式C20H18N2O(摩尔质量:302.369 g/mol)可以指: