has functional parent trimethylxanthine caffeine 8-(3-chlorostyryl)caffeine 330.088 330.76900 8-[(E)-2-(3-chlorophenyl)ethenyl]-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione Beilstein:8153842 C16H15ClN4O2 CHEBI:53115 CSC Caffeine substituted at its 8-position by an (E)-3-chlorostyryl group. Cn1c(\C=C\c2cccc(Cl)c2)nc2n(C)c(=O)n(C)c(=O)c12 InChI=1S/C16H15ClN4O2/c1-19-12(8-7-10-5-4-6-11(17)9-10)18-14-13(19)15(22)21(3)16(23)20(14)2/h4-9H,1-3H3/b8-7+ WBWFIUAVMCNYPG-BQYQJAHWSA-N chebi_ontology monochlorobenzenes