Ethyl Propiolate

4-bromo-2-chlorobenzenesulfonyl chloride CAS Number 351003-52-6;4-bromo-2-chlorobenzenesulfonyl chloride CAS Number 351003-52-6 RPI Part Number T-4864 Quantity available upon request "

4-chloro-2-(trifluoromethyl)phenylboronic acid CAS Number 313545-41-4;4-chloro-2-(trifluoromethyl)phenylboronic acid CAS Number 313545-41-4 RPI Part Number T-4030 Quantity available upon request "

2,6-difluoro-3-pyridylboronic acid CAS Number 136466-94-9;2,6-difluoro-3-pyridylboronic acid CAS Number 136466-94-9 RPI Part Number T-3524 Quantity available upon request "