didehydrocampesine A + 2 AH2 <=> campesine A + 2 A
didehydrocampesine a + 2 ah2 <=> campesine a + 2 a
didehydrocampesine A + 2 AH2 <=> campesine A + 2 A
didehydrocampesine a + 2 ah2 <=> campesine a + 2 a