1,2,3-TRIMETHOXY-5-NITROBENZENE
1,2-DICHLORO-4,5-DINITRO-BENZENE
1,3,4,6-TETRA-O-ACETYL-BETA-D-MANNOPYRANOSE
1,3-BIS(2'-HYDROXYETHYL)URACIL
1,3-DIBROMO-2,4,6-TRINITROBENZENE
1,3-DICHLORO-2,4,6-TRINITROBENZENE
1,3-Dichloro-4,6-dinitrobenzene
1,3-DIMETHYL-5-BROMOOROTIC ACID
1,3-DIMETHYL-5-CYANOURACIL
1,3-DIMETHYLOROTIC ACID
1,3-DIMETHYLTHYMINE
1,3-Dimethyluracil