https://tuffclassified.com/ Latest listings added in Tuffclassified https://tuffclassified.com/wholesale-p-m-k-oil-28578-16-7-reliable-supplier-for-research-industrial-use_2696797 https://tuffclassified.com/wholesale-p-m-k-oil-28578-16-7-reliable-supplier-for-research-industrial-use_2696797 To a solution of piperonal (1, 3.00 g, 19.9 mmol) in CH2Cl2 (100 mL) was added (carbethoxyethylidene)triphenylphosphorane (2,14.5 g, 40.0 mmol), and the reaction mixture was stirred for 24 h at room temperature.]]> Tue, 05 Aug 2025 11:04:57 +0530