OK, Ive been learning organic chemistry last term. hope I didnt forget all of them.
But I didnt figure what exactly you want to ask
We call R--SH 某硫醇, if the chemical compound contains a “C”, e.g CH3--SH, then we call it 甲硫醇
if it contains two, we use 乙. three, 丙 etc.
Hope it helps you