| 1 | O2 |
| 2 | Disauerstoff |
| 3 | Dioxygene |
| 4 | [oo] |
| 5 | Oxygen |
| 6 | Molecular oxygen |
| 7 | Oxygen molecule |
| 8 | E-948 |
| 9 | E948 |
| 10 | E 948 |
| 11 | (o2)(2.) |
| 12 | Dioxygen(2.) (triplet) |
| 13 | O2(2.) |
| 14 | Dioxidanediyl |
| 15 | Triplet molecular oxygen |
| 16 | (o2)(..) |
| 17 | Singlet molecular oxygen |
| 18 | (1)o2 |