R17
ATOM  C3A  C2A  C1A  N1   C1B  C2B  C3B  C4B  O5B  C6C
ATOM  C7C  C7P  O1C  C2C  C3C  C3P  C4C  C5C  C1D  C2D
ATOM  C3D  C4D  C5D  C6D BR25  C1E
CONNECT -  C3A  C2A  C1A  N1  C1B  C2B  C3B  C4B  O5B  C6C  C7C  C7P +
CONNECT  N1   C1E
CONNECT  C6C  C5C  C4C  C3P  C7P  O1C  C2C  C3C  C3P
CONNECT  C3C  C1D  C2D  C3D  C4D  C5D  C6D  C1D
CONNECT  C4D BR25