preferred_name: (17R,20S)-17,20-dihydroxypregn-4-en-3-one + NAD(+) <=> 17alpha-hydroxyprogesterone + NADH + H(+)
preferred_name_lc: (17r,20s)-17,20-dihydroxypregn-4-en-3-one + nad(+) <=> 17alpha-hydroxyprogesterone + nadh + h(+)
label: (17R,20S)-17,20-dihydroxypregn-4-en-3-one + NAD(+) <=> 17alpha-hydroxyprogesterone + NADH + H(+)
label_lc: (17r,20s)-17,20-dihydroxypregn-4-en-3-one + nad(+) <=> 17alpha-hydroxyprogesterone + nadh + h(+)