Assignment w1 w2 S4H-N 117.114 8.404 H5H-N 117.098 8.262 C15H-N 125.031 9.11 S17H-N 116.019 8.575 C20H-N 117.8 8.705 Y22H-N 131.101 8.954 Q39H-N 125.502 8.173