steroid fundamental parent campestane 386.69660 A steroid fundamental parent that has formula C28H50. C28H50 CHEBI:35518 InChI=1S/C28H50/c1-19(2)20(3)10-11-21(4)24-14-15-25-23-13-12-22-9-7-8-17-27(22,5)26(23)16-18-28(24,25)6/h19-26H,7-18H2,1-6H3/t20-,21-,22?,23+,24-,25+,26+,27+,28-/m1/s1 LIPID_MAPS_instance:LMST01030001 WAAWMJYYKITCGF-SULSJXDKSA-N [H][C@@]1(CC[C@@]2([H])[C@]3([H])CCC4CCCC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)CC[C@@H](C)C(C)C campestane chebi_ontology