Methyl 5-nitro-2-thienylvinyl ether

2-<7-<3-ethyl-2(3H)-benzothiazol-2-ylidene>-4-methoxy-1,3,5-heptatrienyl>-3-ethylbenzothiazolium iodide

DL-tetra-O-acetyl-(1,2,4/3)-1-C-methoxymethyl-5-cyclohexene-1,2,3,4-tetrol

2-amino-5-bromo-4-methoxy-7-(β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

methyl (1R,2R,4R,5S)-4-bromo-2-(2-bromophenyl)-5-hydroxycyclohexanecarboxylate