|CDX Constant Name:||kCDXProp_Atom_RestrictRxnChange|
|CDX Constant Value:||0x0427|
|Property of objects:||kCDXObj_Node|
|First written/read in:||ChemDraw 4.0|
If present, signifies that the reaction change of an atom must be as specified.
The value stored in this property corresponds exactly to the Exact Change flag in ISIS.
If this property is absent:
The reaction change is treated as unspecified.