test
node1
GO:0071704
organic substance
metabolic process
node4
GO:1901564
organonitrogen
compound metabolic
process
node1->node4
node2
GO:1901576
organic substance
biosynthetic process
node1->node2
node3
GO:1901566
organonitrogen
compound biosynthetic
process
node2->node3
node4->node3
node5
GO:0006807
nitrogen compound
metabolic process
node5->node4
node6
GO:0008152
metabolic process
node6->node5
node7
GO:0009058
biosynthetic process
node6->node7
node6->node1
node7->node2
node8
BFO:0000003
occurrent
node8->node8
node9
BFO:0000015
process
node8->node9
node10
GO:0008150
biological_process
node9->node10
node10->node6
node11
BFO:0000001
entity
node11->node8