1-Ethyl-3-methyl-4-(1-methyl-4-piperidyl)-1,4-dihydroindeno(1,2-c)pyrazol-4-ol 68946-09-8 BRN 0694502 Indeno(1,2-c)pyrazol-4-ol, 1,4-dihydro-1-ethyl-3-methyl-4-(1-methyl-4-piperidyl)-