Supplier Page from Thermo Fisher Scientific for 1,5-Diazabicyclo[4.3.0]non-5-ene, 98%
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific