s 2 amino 3 3 hydroxy isoxazol 4 yl propionic acid

2h benzoimidazol 2 ylamine

azaguanine, azaguanine 8, guanazol

mikamycin a, ostreogrycin a, pristinamycin iia

2 4 6 tnt, 2 4 6 trinitrotoluene, 2 4 6 trinitrotoluol

n acetyl n 1 1 1 biphenyl 4 ylmethyl 2 oxoazepan 3 yl 3 formyl o phosphonotyrosinamide