129521-51-3 2,4-Dihydro-2,4-dimethyl-5-(4-methoxyphenyl)-3H-1,2,4-triazol-3-one 3H-1,2,4-Triazol-3-one, 2,4-dihydro-2,4-dimethyl-5-(4-methoxyphenyl)- BRN 4190519