(2-Methoxy-1-naphthyl) (4-(p-methoxyphenyl)-2-pyrazolin-5-yl) ketone 4487-30-3 EINECS 224-776-7 Ketone, 2-methoxy-1-naphthyl 4-(p-methoxyphenyl)-2-pyrazolin-5-yl Methanone, (4,5-dihydro-4-(4-methoxyphenyl)-1H-pyrazol-5-yl)(2-methoxy-1-naphthalenyl)-