test
node1
GO:0008152
metabolic process
node2
GO:0044237
cellular metabolic
process
node1->node2
node6
GO:0071704
organic substance
metabolic process
node1->node6
node15
GO:0006807
nitrogen compound
metabolic process
node1->node15
node9
GO:0034641
cellular nitrogen
compound metabolic
process
node2->node9
node13
GO:0046483
heterocycle metabolic
process
node2->node13
node17
GO:0006725
cellular aromatic
compound metabolic
process
node2->node17
node3
GO:0009820
alkaloid metabolic
process
node4
GO:0046446
purine alkaloid
metabolic process
node3->node4
node5
GO:1901564
organonitrogen
compound metabolic
process
node5->node3
node8
GO:0072521
purine-containing
compound metabolic
process
node5->node8
node6->node5
node7
GO:1901360
organic cyclic
compound metabolic
process
node6->node7
node7->node8
node8->node4
node9->node8
node10
GO:0009987
cellular process
node10->node2
node11
BFO:0000003
occurrent
node11->node11
node12
BFO:0000015
process
node11->node12
node14
GO:0008150
biological_process
node12->node14
node13->node8
node14->node1
node14->node10
node15->node5
node15->node9
node16
BFO:0000001
entity
node16->node11
node17->node8