3-Methoxy-2-propenenitrile60838-50-8100 % similar 3-Ethoxy-2-propenenitrile61310-53-048 % similar 2-Butenenitrile4786-20-343 % similar 1-Methoxypropene7319-16-638 % similar 4-Methoxycinnamonitrile28446-68-634 % similar 1-Methoxy-1,3-butadiene3036-66-632 % similar 1,3,3-Trimethoxy-1-propene17576-35-131 % similar 4,4,4-Trifluoro-2-butenenitrile406-86-031 % similar