CNH_2_wrCNH_3_wrCNH_4_wrCNH_5_wrCNH_6_wrCNH_7_wrCNH_8_wrCNH_9_wrCNH_11_wrCNH_10_wrCNH_12_wrCNH_13_wrCNH_14_wrCNH_15_wrCNH_16_wrCNH_17_wrCNH_18_wrCNH_19_wrCNH_20_wrCNH_21_wr