riboflavin + NADPH + 2 H(+) => reduced riboflavin + NADP(+)
riboflavin + nadph + 2 h(+) => reduced riboflavin + nadp(+)
riboflavin + NADPH + 2 H(+) => reduced riboflavin + NADP(+)
riboflavin + nadph + 2 h(+) => reduced riboflavin + nadp(+)