... The combined filtrates and washes from the extraction were evaporated to a small volume and the crystals obtained crystallised from glacial acetic acid to give 1 g of I [R = CzH5, R = 2,4-(NOz)zCoH3], mp 131.5-133.5" (identified by mixed mp ... Vol. II, 223. ... 82 (1963) RECUEIL 83 ...