2-(2,4-Dichloro­phen­oxy)-N-[5-(3-pyrid­yl)-1,3,4-thia­diazol-2-yl]acetamide

In the title compound, C₁₅H₁₀Cl₂N₄O₂S, the three rings are nearly coplanar. In the crystal structure, inter­molecular N—H...N, C—H...Cl and C—H...N hydrogen-bond inter­actions are observed. Inter­molecular π–π stacking inter­actions are also present.

9,9-Bis(methoxy­carbonyl­ethyl)fluorene

In the title compound, C₂₁H₂₂O₄, the three fused rings of the fluorene system are almost coplanar. There exists a weak inter­molecular C—H...O inter­action.