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Atom features

The following atom features are exported from Marvin to the SKC file format:

MarvinISIS/DrawComment
General properties
Type(tick) 
Stereo Reaction(tick) 
Stereo Enhanced(tick)exported as Attached Data
Charge(tick) 
Valence(tick) 
Radical(tick) 
Isotope(tick) 
Map(tick) 
Alias(tick) 
Pseudo(tick) 
SMARTS(tick) 
Value(tick) 
Query properties
Total number of attached hydrogens(tick) 
Valence, Sum of bond orders(tick) 
Number of connections(tick) 
Ring count(error)Not supported by ISIS/Draw
Smallest ring size(tick) 
Ring bond count(tick) 
Substitution count(tick) 
Number of implicit hydrogens(tick) 
Number of explicit connections(tick) 
Unsaturated atom(tick) 
Atom Label
Font, style(tick) 
Scale(tick) 
Atom color(tick) 

Bond features

The following bond features from Marvin are exported to the SKC file format:

MarvinISIS/DrawComment
Bond type
Single(tick) 
Double(tick) 
Triple(tick) 
Aromatic(tick) 
Single Up(tick)Up
Single Down(tick)Down
Single Up or Down(tick)Either
Double Cis or Trans(tick)Dbl Either
Double C/T or unspec(tick)Double
Single or Double(tick)Single/Double
Double or Aromatic(tick)Double/Aromatic
Any(tick) 
Coordinate(tick) 
Reacting center
Center(tick) 
Make/Break(tick) 
Change(tick) 
Make/Change(tick) 
Not Center(tick) 
Topology
In Ring(tick) 
In Chain(tick) 
Other
Stereo search(tick) 
Thickness(tick) 
Color(tick) 
Crossed bond(tick) 

Reaction features

The following reaction features of Marvin are exported to the SKC file format:

MarvinISIS/DrawComment
Reaction arrow(tick)some types of reaction arrows are converted to single reaction arrows
Reactant(tick) 
Product(tick) 
Agent(tick) 
Multiple step reaction with graphic arrows(tick)converted to Multiple step reaction
Reaction and R-group combination(tick) 
Reaction and S-group combination(tick) 

Group features

The following groups are exported to the SKC file format as:

MarvinISIS/DrawComment
S-groups
Anypolymer (anyp)(tick)Any polymer type
Component (c)(tick)Component type
Copolymer (co)(tick)Copolymer type
Copolymer, alternating (alt)(tick)Copolymer type with alternating polymer subtype
Copolymer, block (blk)(tick)Copolymer type with block polymer subtype
Copolymer, random (ran)(tick)Copolymer type with random polymer subtype
Crosslink (xl)(tick)Crosslink type
Generic ()(tick)Generic type
Graft (grf)(tick)Graft type
Mer (mer)(tick)Mer type
Mixture, ordered (f)(tick)Mixture type
Mixture, unordered (mix)(tick)Mixture type
Modification (mod)(tick)Modification type
Monomer (mon)(tick)Monomer type
Multiple S-Group (#)(tick)Multiple group type
Repeating unit with repetition ranges(e.g.2,4-6)(tick) 
SRU polymer(n)(tick)Label and bracket type supported, repeat pattern not yet supported
Superatom S-group(tick) 
Attached data(tick) 
R-groups
R-group(tick) 
R-Logic(error) 

Note: head-to-tail with flip (ht,f) and head-to-head with flip (hh,f) attributes are not handled because they are not supported by Symyx3.1 and ISIS/Draw.

Graphical objects

Rounded rectangle, ellipse and graphical bracket objects are supported, except for the line style. Text attributes are also exported.