chromopyrrolate + NH4(+) + H(+) => indole-3-pyruvate imine dimer
chromopyrrolate + nh4(+) + h(+) => indole-3-pyruvate imine dimer
chromopyrrolate + NH4(+) + H(+) => indole-3-pyruvate imine dimer
chromopyrrolate + nh4(+) + h(+) => indole-3-pyruvate imine dimer