test
node1
GO:0008152
metabolic process
node2
GO:0044237
cellular metabolic
process
node1->node2
node4
GO:0006807
nitrogen compound
metabolic process
node1->node4
node6
GO:0071704
organic substance
metabolic process
node1->node6
node5
GO:0006725
cellular aromatic
compound metabolic
process
node2->node5
node8
GO:0034641
cellular nitrogen
compound metabolic
process
node2->node8
node10
GO:0046483
heterocycle metabolic
process
node2->node10
node3
GO:0008150
biological_process
node3->node1
node9
GO:0009987
cellular process
node3->node9
node7
GO:1901564
organonitrogen
compound metabolic
process
node4->node7
node4->node8
node11
GO:0052803
imidazole-containing
compound metabolic
process
node5->node11
node6->node7
node12
GO:1901360
organic cyclic
compound metabolic
process
node6->node12
node7->node11
node8->node11
node9->node2
node10->node11
node12->node11
node13
BFO:0000003
occurrent
node13->node13
node14
BFO:0000015
process
node13->node14
node14->node3
node15
BFO:0000001
entity
node15->node13