1.8.3.4 0.008 - methanethiol - 1.8.3.4 0.04 - cyanide - 1.8.3.4 0.042 - methanethiol - 1.8.3.4 0.09 - Sulfide - 1.8.3.4 1.4 - methylamine - 1.8.3.4 4 - NH4+ -