IRGroup (cdk 2.9 API)

All Known Implementing Classes:

RGroup
```
public interface IRGroup
```
Represents a single substitute structure in an IRGroupList.
The order of attachment points is provided (first and second only, conform RGFile spec). This order is relevant when the structure connects to the root with more than one bond.

Author:

John Mayfield

See Also:

IRGroupList, IRGroup

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`IAtom`	`getFirstAttachmentPoint()`	Get the first attachment point of the RGroup.
`IAtomContainer`	`getGroup()`	Get the connection table of atoms/bonds for this Rgroup.
`IAtom`	`getSecondAttachmentPoint()`	Get the optional second attachment point of the RGroup.

- Method Detail
  - getGroup
```
IAtomContainer getGroup()
```
    Get the connection table of atoms/bonds for this Rgroup.
    
    Returns:
    
    the connection table
  - getFirstAttachmentPoint
```
IAtom getFirstAttachmentPoint()
```
    Get the first attachment point of the RGroup.
    
    Returns:
    
    the first attachment point
  - getSecondAttachmentPoint
```
IAtom getSecondAttachmentPoint()
```
    Get the optional second attachment point of the RGroup.
    
    Returns:
    
    the second attachment point or null.