Ethyl 2 bromothiazole 4 carboxylate 96 ????????? ?????? ?????? ???????? ??????? ?????? Tegs: Ethyl 2 amino 4 5 dimethyl 3 thiophenecarboxylate 97 ????????? ?????? ?????? ???????? ??????? ?????? https://chimmed.ru/products/ethyl-2-amino-45-dimethyl-3-thiophenecarboxylate-97-id=339836 Bromomaleic anhydride 97 ????????? ?????? ?????? ???????? ??????? ?????? Bromoacetyl chloride 95 ????????? ?????? ?????? ???????? ??????? ?????? Bromoacetic anhydride 95 ????????? ?????? ?????? ???????? ??????? ??????