3ALPHA(H),17BETA(H),21BETA(H)-3-HYDROXYHOPANE
3ALPHA(H),17BETA(H),21BETA(H)-3-HYDROXYHOPANE ??
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3ALPHA(H),17BETA(H),21BETA(H)-3-HYDROXYHOPANE C??? ??, ??, ??
3ALPHA(H),17BETA(H),21BETA(H)-3-HYDROXYHOPANE ?? ?? ? ???
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3ALPHA(H),17BETA(H),21BETA(H)-3-HYDROXYHOPANE ?? ??
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