| Sample name | Length of alkyl chain (carbon number) | Degree of alkylation (%)a) | Solubilityb) | |
| H2O | DMSO | |||
| PGA | 0 | 0 | − | + |
| PGA-6-2 | 6 | 2 | + | + |
| PGA-6-7 | 6 | 7 | + | + |
| PGA-6-12 | 6 | 12 | + | + |
| PGA-6-13 | 6 | 13 | + | + |
| PGA-12-3 | 12 | 3 | + | + |
| PGA-12-9 | 12 | 9 | + | + |
| PGA-12-16 | 12 | 16 | + | + |
| PGA-12-27 | 12 | 27 | + | + |
| PGA-16-2 | 16 | 2 | + | + |
| PGA-16-11 | 16 | 11 | + | + |
| PGA-16-20 | 16 | 20 | − | + |