vinifera: common European grape cultivated in many varieties; chief source of Old World wine and table grapes
grape: any of numerous woody vines of genus Vitis bearing clusters of edible berries
leflunomide: an anti-TNF compound (trade name Arava) that is given orally; can slow the progression of rheumatoid arthritis by slowing the proliferation of white blood cells which reduces inflammation in the synovium