Supandi Supandi, Supandi An Efficient Directly Conversion of the Ethyl p-Methoxycinnamate into N,N-dimethyl-p-Methoxycinnamamide and study the structure-activity relationship on anti-inflammatory activity. An Efficient Directly Conversion of the Ethyl p-Methoxycinnamate into N,N-dimethyl-p-Methoxycinnamamide and study the structure-activity relationship on anti-inflammatory activity.