<unk> , or<unk>  17β-undec-10-enoate, is a synthetic androstane steroid and a derivative of testosterone. It is the C17β<unk>  (undecenoate) ester of<unk>  (δ1-testosterone, 1-dehydrotestosterone, or androsta-1,4-dien-17β-ol-3-one), which itself is the C1(2) dehydrogenated analogue of testosterone and a naturally occurring androgen found in the scent gland of Ilybius fenestratus (a species of aquatic beetle).<unk>  is the non-17α-alkylated variant of metandienone (17α-methyl-δ1-testosterone). An AAS related to<unk>  is quinbolone (δ1-testosterone 17β-cyclopentenyl enol ether).
Boldenone undecylenate
Metandienone
Stanozolol
Metaraminol
Betaxolol
Eluxadoline
Iofetamine 
Nadolol