3-(2-Phenylethyl)-N-(3,4,5-trimethoxybenzoyl)sydnone imine 37737-59-0 N-exo-(3',4',5'-Trimethoxybenzoyl)-3-phenylethylsydnone imine Sydnone imine, 3-(2-phenylethyl)-N-(3,4,5-trimethoxybenzoyl)-