| 1,2-dichloroethane degradation | http://purl.obolibrary.org/obo/GO_0019260 | 1,2-dichloroethane catabolic process | |
| 1,2-dichloroethane metabolic process | http://purl.obolibrary.org/obo/GO_0018899 | 1,2-dichloroethane metabolic process | |
| 1,2-dichloroethane metabolism | http://purl.obolibrary.org/obo/GO_0018899 | 1,2-dichloroethane metabolic process | |
| 1,2-dichloroethene reductive dehalogenase activity | http://purl.obolibrary.org/obo/GO_0018705 | 1,2-dichloroethene reductive dehalogenase activity | |
| 1,2-dichloroethylene reductive dehalogenase activity | http://purl.obolibrary.org/obo/GO_0018705 | 1,2-dichloroethene reductive dehalogenase activity | |
| 1,2-didehydropipecolate reductase activity | http://purl.obolibrary.org/obo/GO_0047125 | delta1-piperideine-2-carboxylate reductase activity | |
| 1,2-didehydropipecolic reductase activity | http://purl.obolibrary.org/obo/GO_0047125 | delta1-piperideine-2-carboxylate reductase activity | |
| 1,2-dihydrosantonin:NAD(P)+ 1,2-oxidoreductase activity | http://purl.obolibrary.org/obo/GO_0047659 | alpha-santonin 1,2-reductase activity | |
| 1,2-dihydrovomilenine:NADP+ oxidoreductase activity | http://purl.obolibrary.org/obo/GO_0050624 | vomilenine reductase activity | |
| 1,2-dihydrovomilenine reductase activity | http://purl.obolibrary.org/obo/GO_0050615 | 1,2-dihydrovomilenine reductase activity | |
| 1,2-dihydroxy-1,2,5,6,7,8-hexyhadronaphthalene dehydrogenase activity | http://purl.obolibrary.org/obo/GO_0034826 | 1,2-dihydroxy-1,2,5,6,7,8-hexyhadronaphthalene dehydrogenase activity | |
| 1,2-dihydroxy-1,2-dihydroxynaphthalene dehydrogenase activity | http://purl.obolibrary.org/obo/GO_0018505 | cis-1,2-dihydro-1,2-dihydroxynaphthalene dehydrogenase activity | |
| 1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase activity | http://purl.obolibrary.org/obo/GO_0010309 | acireductone dioxygenase [iron(II)-requiring] activity | |
| 1,2-dihydroxy-5,6,7,8-tetrahydronaphthalene extradiol dioxygenase activity | http://purl.obolibrary.org/obo/GO_0034827 | 1,2-dihydroxy-5,6,7,8-tetrahydronaphthalene extradiol dioxygenase activity | |
| 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one:oxygen oxidoreductase (formate- and CO-forming) | http://purl.obolibrary.org/obo/GO_0010308 | acireductone dioxygenase (Ni2+-requiring) activity | |
| 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one:oxygen oxidoreductase (formate-forming) | http://purl.obolibrary.org/obo/GO_0010309 | acireductone dioxygenase [iron(II)-requiring] activity | |
| 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate dehydrogenase activity | http://purl.obolibrary.org/obo/GO_0018521 | 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate dehydrogenase activity | |
| 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate:NAD+ oxidoreductase (decarboxylating) | http://purl.obolibrary.org/obo/GO_0018521 | 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate dehydrogenase activity | |
| 1,2-dihydroxy-7-hydroxymethylnaphthalene dioxygenase activity | http://purl.obolibrary.org/obo/GO_0034533 | 1,2-dihydroxy-7-hydroxymethylnaphthalene dioxygenase activity | |
| 1,2-dihydroxy-8-carboxynaphthalene dioxygenase activity | http://purl.obolibrary.org/obo/GO_0034527 | 1,2-dihydroxy-8-carboxynaphthalene dioxygenase activity | |
| 1,2-dihydroxy-8-methylnaphthalene dioxygenase activity | http://purl.obolibrary.org/obo/GO_0034535 | 1,2-dihydroxy-8-methylnaphthalene dioxygenase activity | |
| 1,2-dihydroxyfluorene 1,1-alpha-dioxygenase activity | http://purl.obolibrary.org/obo/GO_0018557 | 1,2-dihydroxyfluorene 1,1-alpha-dioxygenase activity | |
| 1,2-dihydroxynaphthalene-6-sulfonate 1,8a-dioxygenase activity | http://purl.obolibrary.org/obo/GO_0018566 | 1,2-dihydroxynaphthalene-6-sulfonate 1,8a-dioxygenase activity | |
| 1,2-dihydroxynaphthalene-6-sulphonate 1,8a-dioxygenase activity | http://purl.obolibrary.org/obo/GO_0018566 | 1,2-dihydroxynaphthalene-6-sulfonate 1,8a-dioxygenase activity | |
| 1,2-dihydroxynaphthalene dioxygenase activity | http://purl.obolibrary.org/obo/GO_0018554 | 1,2-dihydroxynaphthalene dioxygenase activity | |
| 1,2-dihydroxy-phenanthrene glycosyltransferase activity | http://purl.obolibrary.org/obo/GO_0018718 | 1,2-dihydroxy-phenanthrene glycosyltransferase activity | |
| 1,2-dihydroxypropane catabolic process | http://purl.obolibrary.org/obo/GO_0051144 | propanediol catabolic process | |
| 1,2-dihydroxypropane catabolism | http://purl.obolibrary.org/obo/GO_0051144 | propanediol catabolic process | |
| 1,2-dihydroxypropane metabolic process | http://purl.obolibrary.org/obo/GO_0051143 | propanediol metabolic process | |
| 1,2-dihydroxypropane metabolism | http://purl.obolibrary.org/obo/GO_0051143 | propanediol metabolic process | |