| Share | Phrase |
|---|
| 28.26% | hydrocarbyl-substituted heterocyclic-aromatic |
| 22.47% | hydrocarbyl-substituted alicyclic-aromatic |
| 12.82% | hydrocarbyl-substituted aromatic |
| 11.61% | hydrocarbyl-substituted phenate |
| 8.54% | hydrocarbyl-substituted phenol |
| 7.34% | hydrocarbyl-substituted acid |
| 5.64% | hydrocarbyl-substituted compound |
| 3.28% | hydrocarbyl-substituted material |