The SKC format of ISIS/Draw is imported and exported by Marvin. Most properties of atoms, bonds, groups (R-group and S-groups), query structures and reactions are supported.
The main features:
Chemical structures (atom properties, labels, bond types)
Atom and bond query properties
Graphical objects (rectangle, ellipse, graphical brackets)
Read the detailed import and export list.
Some graphical object or objects properties are not available in Marvin (e.g. graphics arc, line style of graphical objects and underlined text).
Graphical brackets are not supported by ISIS/Draw, thus all brackets are imported as S-groups.