23,24-dihydrocucurbitacin B + NAD(+) => cucurbitacin B + NADH + H(+)
23,24-dihydrocucurbitacin b + nad(+) => cucurbitacin b + nadh + h(+)
23,24-dihydrocucurbitacin B + NAD(+) => cucurbitacin B + NADH + H(+)
23,24-dihydrocucurbitacin b + nad(+) => cucurbitacin b + nadh + h(+)