| 28666-20-8 | Elsholtzidiol | C10H16 O3 |
| 28666-85-5 | 2,4-dimethyl-7-thia-5-aza-1-azoniabicyclo[4.3.0]nona-1,3,5,8-tetraene perchlorate | C8 H9 N2 S . Cl O4 |
| 28666-87-7 | 2,4,9-trimethyl-7-thia-5-aza-1-azoniabicyclo[4.3.0]nona-1,3,5,8-tetraene perchlorate | C9H11ClN2O4S |
| 28666-89-9 | 5,7-Dimethyl-3-phenylthiazolo(3,2-a)pyrimidine perchlorate | C14 H13 N2 S . Cl O4 |