[433837-250G] Ethyl cellulose viscosity 46 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl + 357,830원
[433837-500G] Ethyl cellulose viscosity 46 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl + 566,500원