TY - CONF AU - Stein, Stephen AU - Heller, Stephen AU - Tchekhovskoi, Dmitrii C2 - Proceedings of the International Chemical Information Conference | 15th |, Nimes, FR DA - 2003-09-01 LA - en PB - Proceedings of the International Chemical Information Conference | 15th |, Nimes, FR PY - 2003 TI - An Open Standard for Chemical Structure Representation: The IUPAC Chemical Identifier ER -