... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > lipid > steroid > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic cyclic compound > organic polycyclic compound > steroid > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic cyclic compound > organic polycyclic compound > steroid > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > organic cyclic compound > organic polycyclic compound > steroid > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > polycyclic compound > organic polycyclic compound > steroid > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic fundamental parent > natural product fundamental parent > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydrides > organic hydride > organic fundamental parent > natural product fundamental parent > steroid fundamental parent > poriferastane

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydrides > organic hydride > organic fundamental parent > natural product fundamental parent > steroid fundamental parent > poriferastane