This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

__GLXEvent
_GPU_DEVICE
MolecularData::atom
FrameBuffer
GLBuffer
GLXBufferClobberEventSGIX
GLXHyperpipeConfigSGIX
GLXHyperpipeNetworkSGIX
GLXPbufferClobberEvent
GLXPipeRect
GLXPipeRectLimits
Matrix4x4
MolecularData
QGLWidget
MoleculeRenderer
QMainWindow
AO4OM
qt_meta_stringdata_AO4OM_t
qt_meta_stringdata_MoleculeRenderer_t
Texture
Ui_AO4OMClass
Ui::AO4OMClass
VertexArrayObject::vertex
VertexArrayObject