label: 4alpha-carboxy-4beta-methyl-5alpha-cholest-8-en-3beta-ol + NADP(+) <=> 4alpha-methyl-5alpha-cholest-8-en-3-one + CO2 + NADPH
label_lc: 4alpha-carboxy-4beta-methyl-5alpha-cholest-8-en-3beta-ol + nadp(+) <=> 4alpha-methyl-5alpha-cholest-8-en-3-one + co2 + nadph