|CDX Constant Name:||kCDXProp_CrossReference_Document|
|CDX Constant Value:||0x0F01|
|Property of objects:||kCDXObj_CrossReference|
|First written/read in:||ChemDraw 7.0|
An external document containing the Sequence object being referenced.
This property is provided for future compatibility and is not currently used in any case by ChemDraw.
If this property is absent:
This is the empty string.