@质谱 30 CH,NH2, NO 31 CH, OH, OCH3 32 O? (Air) 33 SH, CH2F 34H2S 35 Cl 36 HCI 39C3H3 40 CH2C=N, Ar(Air) 41 C3H5, CH,C-N+H, C2H2NH 42C3H6 43 C3H7, CH3CO, C?HsN1