Reactiv 4-Hydroxybenzoic acid ethyl ester min. 98 %, Ph. Eur., USP , 1 kg Solicita oferta 🢒 Vezi Detalii
Reactiv 1-Ethyl-3-methyl-imidazolium- ethylsulphate, min. 99 % , 100 g Solicita oferta 🢒 Vezi Detalii