1-Ethyl-4-(1-methyl-4-piperidyl)-3-phenyl-1,4-dihydroindeno(1,2-c)pyrazol-4-ol 68946-07-6 Indeno(1,2-c)pyrazol-4-ol, 1,4-dihydro-1-ethyl-4-(1-methyl-4-piperidyl)-3-phenyl-