China Cooling Agent Ws-5 / N-[ (Ethoxycarbonyl)methyl) -P-Menthane-3-Carboxamide CAS. 68489-14-5, Find details about China Cooling Agent, Cooling Agent Ws-5 from Cooling Agent Ws-5 / N-[ (Ethoxycarbonyl)methyl) -P-Menthane-3-Carboxamide CAS. 68489-14-5