化學式C19H20N2O(摩爾質量 292.382 g/mol)可能指:

同系物導航
C19H22N2O
C18H18N2O C19H20N2O C20H22N2O
C19H18N2O

C19H20N2 C19H20N2O2
C19H19NO C19H21N3O