A link I saw...
"Steroids are classified under 2 categories. Class I has a strong binding to the androgen receptor. Class II does not bind to the androgen receptors, rather it works through other means in the body.
Boldenone based phs - 1,4AD & Bold
Trenbolone based phs - Trenadrol & Trenaplex
Testosterone based phs - Methyl 1 Testosterone
Mepitiostane (Thioderon) based phs - Epithio & Clones (Havoc/Epistane/so on so forth)
Masteron (Dromostanolone) based phs - Superdrol & Clones
Oral Turinabol (Dehydrochlormethyltestosteron e) based phs - Halodrol & Clones
Dianabol (methandrostenolone) based phs - M1,4ADD etc
Winstrol (stanozolol) based phs - Winztrol, Orastan-A, Furaguno, etc
Furazabol (miotolan) based phs - Furazadrol etc
Pheraplex & Clones"