Harpagide

Formula : C15-H24-O10
CAS : 6926-08-05 

From S. African plant Harpagophytum procumbens DC.

Harpagoside

Formula : C24-H30-O11
CAS : 19210-12-9 

Glycoside of a cyclopenta[c]pyran from root of S. African plant Harpagophytum procumbens DC; Harpagophytum extract WS 1531 is plant extract containing harpagoside; Antidiabetic Agent.

Harpin

Formula :
CAS : 147979-36-0 

Activates plant's natural defences just as the jasmonic acid-ethylene pathways; an acidic, heat-stable cell envelope-associated 44 kDa protein; stimulates hypersensitive response in higher plants.

Harrisonin

Formula : C27-H32-O10
CAS : 62026-30-6 

From Nigerian Harrisonia abyssinica (SIMAROUBACEAE).

Harzianic acid

Formula : C19-H27-N-O6
CAS : 157148-06-6 

Isolated from Trichoderma harzianum.

Harzianum A

Formula :
CAS : 156250-74-7 

Harzianum B is the (E, Z, E)-isomer; isolated from Trichoderma harzianum.

Harziphilone

Formula : C15-H18-O4
CAS : 183239-75-0 

Inhibits binding of REV protein to REV responsive element; isolated from Trichoderma harzianum.