Tender For tender for supply of department chemical boq e e - n 3 dimethylaminopropyl n ethylcarbodiimide , n hydroxysuccinimide , 2 methylimidazole , zinc nitrate hexahydrate , gallic acid monohydrate , calcium hydroxide , l tryptophan , l histidine , l homocysteine , oxytocin , 17 beta estradiol , cortisol , chitosan , l cysteine , anti papillomavirus antibody 16l1 late protein clone cam vir 1