search boost 0.5 LeadIT Visually Informed LeadOpt homepage: http://www.biosolveit.de/LeadIT/index.html version toolchain 2.1.9 system 0 - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z