c 48 fluoro alkynyl c 4 c 48 fluoro aryl c 4 c 48 fluoro aryl containing the heteroatom c 1 c 48 perfluoro alkyl c 6 c 8 perfluoro cycloalkyl c 2 c 48 perfluoro alkenyl c 6 c 8 cycloperfluoro alkenyl c 2 c 48 perfluoro alkynyl c 4 c 48 perfluoro aryl or c 4 c 48 perfluoro aryl containing the heteroatom g in each occurrence is independently fluorine chlorine bromine iodine cyano isocyano r with the proviso r is not h q e or t is independently in each occurrence of each of t is m p r 3 1 q r 3 q or r q with the proviso that r is not h y is independently in each occurrence of each of y is m p r 3 1 q r 3 q or r q with the proviso that r is not h r 1 is independently in each occurrence c 1 c 12 alkyl an inventive compound is operative as a high charge mobility small molecular organic semiconductor that is optionally fabricated by vacuum vapor deposition to form high uniform thin film in organic electronic devices the following especially preferred examples are listed but not limited are typical useful for achieving above advantages as an organic semiconductors in optical and electronic devices an inventive compound is also operative as a high charge mobility small molecular organic semiconductor that is optionally fabricated by cost effective solution coating process to form high uniform thin film in organic electronic devices the following especially preferred examples.