yea, that's the good thing about steroids, you never know what the modifications to the structure are going to due.
add a 2-methyl group on dht, you get drostanolone aka masteron, which prevents 3-hsd breakdown in the muscle tissue, but does nothing for liver metabolism.
add in a 17alpha methyl group onto masteron, then you have methyl drostanolone, aka superdrol, and now you're resisting breakdown via the liver, and greatly increasing the anabolic effect, as well as decreasing the androgenic effect of masteron.
then take it further (as if these changes to dht aren't enough) add a 2-ene group, and remove the 3-ketone goup and it changes the compound up completely creating desoxy methyl testosterone
now, you've taken a steroid like superdrol with an AA ratio of 400:20, and made it 1000:200 when compared agains methyl testosterone as a standard.
crazy. Love some good ol fashioned steroids studied back in 1969.
most, and I'm one of them, after getting ptsd from all the mods to resist hepatic breakdown, just prefer some good ol fashioned testosterone.