α-Ketoglutaric acid (KGA) and methanetriacetic acid (MTA) are multifunctional carboxylic acids with diverse applications, yet their current synthetic methods remain neither environmentally ...

It was a summer of heated criticism at the Royal Academy’s annual show in Burlington House, London, and one reviewer in particular had it in for Anthony Green ...

Browse 120+ ugly frog clip art stock illustrations ... a toad on a white background Illustration of a single close up toad ugly frog clip art stock illustrations vector line cartoon animal clip art ...

17 x 14 in. (43.2 x 35.6 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...