The molecule is a lanosterol ester obtained by formal condensation of the 3-hydroxy group of lanosterol with the carboxy group of hexadecanoic (palmitic) acid.
[(3S,5R,10S,13R,14R,17R)-4,4,10,13,14-pentamethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,5,6,7,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-yl] hexadecanoate