[247499-500G] Ethyl cellulose viscosity 100 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl + 471,790원
[247499-100G] Ethyl cellulose viscosity 100 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl + 257,950원