Sintesis, aktivitas antiinflamasi dan antioksidan in vitro (2E,6E)-2-[(4-hidroksi-3-metoksifenil) metiliden]-6-(fenilmetiliden) sikloheksan-1-on tersubstitusi basa mannich dimetilamin = Synthesis, in vitro antioxidant and anti-inflammatory activity of (2E,6E)-2-[(4-hydroxy-3-methoxyphenyl) methylidene]6 (Phenylmethylidene) Cyclohexan-1-one substituted mannich base of dimethylamine