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Table 2 The connectivity test for an isomer of \(\text {C}_{6}\text {H}_{6}\) represented by matrix B (Fig. 8a)

From: MAYGEN: an open-source chemical structure generator for constitutional isomers based on the orderly generation principle

Node index

Neighbors

Former label

Minimum label

Enumeration

1

{1,2,5}

{1,2,5}

1

{1,1,3,4,1,6}

2

{2,5}

{1}

1

{1,1,3,4,1,6}

3

{3,4,6}

{3,4,6}

3

{1,1,3,4,1,6}

4

{4,6}

{3}

3

{1,1,3,3,1,3}

5

{5}

{1}

1

{1,1,3,3,1,3}

6

{6}

{3}

3

{1,1,3,3,1,3}