Crystal structure of 2-oxo-2-chromen-7-yl 4-fluoro-benzoate.

In the title compound, CHFO, (I), the benzene ring is oriented at an acute angle of 59.03 (15)° relative to the coumarin plane (r.m.

2-Oxo-2-chromen-7-yl 4--butyl-benzoate.

In the title compound, CHO, the benzoate ring is oriented at an acute angle of 33.10 (12)° with respect to the planar (r.m.

Crystal structure of 3-(2-hy-droxy-eth-yl)-2-methyl-sulfanyl-6-nitro-3-benzimidazol-1-ium chloride monohydrate.

In the cation of the title hydrated molecular salt, CHNOS·Cl·HO, the benzimidazolium ring system is almost planar (r.m.s.