(organic chemistry) Any of many compounds whose structure is that of a pyran ring fused to a naphthoquinone; many of them have biological activity

measurement with a pyranometer

plural of pyranocoumarin

plural of pyranonaphthoquinone

(organic chemistry) Any of a class of organic compound in which a pyran ring is fused to that of a coumarin

(organic chemistry) Relating to pyranosides

(organic chemistry, especially in combination) A univalent radical derived from a pyranose

(organic chemistry) Any of a class of heterocycles composed of a pyran fused to an indole

plural of pyranoindole

plural of pyranol