Ch4-> c2h6-> c3h8-> c6h14-> c6h8-> пикриновая кислота

CH4+Cl2=CH3Cl+HCl

CH3Cl+2Na+ClCH3=C2H6+2NaCl

C2H6+Cl2=C2H5Cl+HCl

C2H5Cl+2Na+ClCH3=C3H8+2NaCl

C3H8+Cl2=C3H7Cl+HCl

C3H7Cl+2Na ClC3H7=C6H14+2NaCl

C6H14=C6H6+4H2

C6H6+3HO-NO2=C6H2(NO2)3OH+3H2O