test
node1
GO:0008152
metabolic process
node2
GO:0071704
organic substance
metabolic process
node1->node2
node14
GO:0044238
primary metabolic
process
node1->node14
node16
GO:0006807
nitrogen compound
metabolic process
node1->node16
node18
GO:0044237
cellular metabolic
process
node1->node18
node7
GO:0019637
organophosphate
metabolic process
node2->node7
node10
GO:0006629
lipid metabolic
process
node2->node10
node17
GO:1901564
organonitrogen
compound metabolic
process
node2->node17
node3
BFO:0000001
entity
node4
BFO:0000003
occurrent
node3->node4
node4->node4
node15
BFO:0000015
process
node4->node15
node5
GO:0044255
cellular lipid
metabolic process
node6
GO:0006644
phospholipid
metabolic process
node5->node6
node11
GO:0006643
membrane lipid
metabolic process
node5->node11
node13
GO:1905371
ceramide
phosphoethanolamine
metabolic process
node6->node13
node7->node6
node8
GO:0006793
phosphorus metabolic
process
node8->node7
node9
GO:0006796
phosphate-containing
compound metabolic
process
node8->node9
node9->node6
node10->node5
node12
GO:0006665
sphingolipid
metabolic process
node11->node12
node12->node13
node14->node10
node20
GO:0008150
biological_process
node15->node20
node16->node17
node17->node12
node18->node5
node18->node8
node19
GO:0009987
cellular process
node19->node18
node20->node1
node20->node19