1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene + chloride + H(+) => 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane
1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene + chloride + h(+) => 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane
1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene + chloride + H(+) => 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane
1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene + chloride + h(+) => 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane