(5R,7aS)-5-hydroxy-7a-methyl-1-oxo-2,3,5,6,7,7a-hexahydro-1H-indene-carboxyl-CoA + NADH + H(+) => (3aS,4S,5R,7aS)-5-hydroxy-7a-methyl-1-oxo-octahydro-1H-indene-4-carboxyl-CoA + NAD(+)
(5r,7as)-5-hydroxy-7a-methyl-1-oxo-2,3,5,6,7,7a-hexahydro-1h-indene-carboxyl-coa + nadh + h(+) => (3as,4s,5r,7as)-5-hydroxy-7a-methyl-1-oxo-octahydro-1h-indene-4-carboxyl-coa + nad(+)
(5R,7aS)-5-hydroxy-7a-methyl-1-oxo-2,3,5,6,7,7a-hexahydro-1H-indene-carboxyl-CoA + NADH + H(+) => (3aS,4S,5R,7aS)-5-hydroxy-7a-methyl-1-oxo-octahydro-1H-indene-4-carboxyl-CoA + NAD(+)
(5r,7as)-5-hydroxy-7a-methyl-1-oxo-2,3,5,6,7,7a-hexahydro-1h-indene-carboxyl-coa + nadh + h(+) => (3as,4s,5r,7as)-5-hydroxy-7a-methyl-1-oxo-octahydro-1h-indene-4-carboxyl-coa + nad(+)