Wiktionary
cholane
n. (context organic chemistry English) A steroid hydrocarbon having a 4-pentane sidechain instead of the normal cholestane sidechain
Wikipedia
Cholane
Cholane is a steroid with a molecular weight of 330.59. It can exist as either of two stereoisomers, 5α-cholane and 5β-cholane.
Image:5alpha-Cholane.svg|5α-Cholane Image:5beta-Cholane.svg|5β-Cholane