test
node1
GO:0009987
cellular process
node2
GO:0044237
cellular metabolic
process
node1->node2
node4
GO:0006725
cellular aromatic
compound metabolic
process
node2->node4
node7
GO:0046483
heterocycle metabolic
process
node2->node7
node3
BFO:0000003
occurrent
node3->node3
node14
BFO:0000015
process
node3->node14
node5
GO:0033013
tetrapyrrole
metabolic process
node4->node5
node6
GO:0006778
porphyrin-containing
compound metabolic
process
node5->node6
node15
GO:0015994
chlorophyll metabolic
process
node6->node15
node7->node5
node8
GO:0008152
metabolic process
node8->node2
node10
GO:0071704
organic substance
metabolic process
node8->node10
node12
GO:0006807
nitrogen compound
metabolic process
node8->node12
node9
GO:1901360
organic cyclic
compound metabolic
process
node9->node5
node10->node9
node11
GO:1901564
organonitrogen
compound metabolic
process
node10->node11
node11->node5
node12->node11
node13
GO:0008150
biological_process
node13->node1
node13->node8
node14->node13
node16
BFO:0000001
entity
node16->node3