7H-pyrimido[4,5-b][1,4]thiazine-4,6-diamine

2-(2-氧代吡咯烷-1-基)乙腈

环戊亚基乙腈

2-di(propan-2-yl)phosphanylacetonitrile

2-ditert-butylphosphanylacetonitrile