1 Bond-Extended Stochastic and Non-Stochastic Bilinear Indices. 1. QSPR/QSAR Applications to the Description of Properties/Activities of Small- Medium Size Organic Compounds Yovani Marrero-Ponce, a,b,c * Eugenio R. Martínez, a,d Gerardo M. Casañola-Martín, a Facundo Pérez-Giménez, c Yunaimy Echevería Díaz, a & José E. Rodriguez Borges e a Unit of Computer-Aided Molecular “Biosilico” Discovery and Bioinformatic Research (CAMD-BIR Unit), Faculty of Chemistry-Pharmacy. Central University of Las Villas, Santa Clara, 54830, Villa Clara, Cuba. b Institut Universitari de Ciència Molecular, Universitat de València, Edifici d'Instituts de Paterna, Polígon la Coma s/n, E-46071 Valencia, Spain. c Unidad de Investigación de Diseño de Fármacos y Conectividad Molecular, Departamento de Química Física, Facultad de Farmacia, Universitat de València, Spain. d Department of Chemistry, Faculty of Chemistry-Pharmacy. Central University of Las Villas, Santa Clara, 54830, Villa Clara, Cuba. e Associação para o desenvolvimento da Faculdade de Ciências do Porto, Rua do Campo Alegre, 687, 4169-007, Porto. Portugal * Corresponding author: Fax: 53-42-281130 [or 53-42-281455] (Cuba) and 963543156 (València) Phone: 53-42-281192 [or 53-42-281473] (Cuba) and 963543156 (València) Cell: 610028990 e-mail: yovanimp@uclv.edu.cu , ymarrero77@yahoo.es or ymponce@gmail.com URL: http://www.uv.es/yoma/ Running head: Bond-Extended Bilinear Indices & QSPR Applications… 12 th International Electronic Conference on Synthetic Organic Chemistry (ECSOC-12) 1-30 November 2008 http://www.usc.es/congresos/ecsoc/12/ECSOC12.htm & http://www.mdpi.org/ecsoc-12 [G0009]