1,4-Dihydro-1-ethyl-3,4-diphenylindeno(1,2-c)pyrazol-4-ol 5-23-13-00069 (Beilstein Handbook Reference) 56767-24-9 BRN 0705949 Indeno(1,2-c)pyrazol-4-ol, 1,4-dihydro-1-ethyl-3,4-diphenyl-