| Share | Phrase |
|---|
| 30.95% | esterification [does] modify |
| 16.13% | acid esterification |
| 12.52% | esterification process |
| 11.65% | esterification reaction |
| 11.47% | esterification [does] follow |
| 8.97% | involve esterification [perform operation] |
| 8.28% | direct [shape] esterification |