(Z)-2-Methyl-2-butenenitrile 2-Butenenitrile, 2-methyl-, (2Z)- 2-Butenenitrile, 2-methyl-, (Z)- 2-METHYL-2-BUTENENITRILE 2-Methyl-cis-2-butenenitrile 20068-02-4 Angelic acid nitrile Angeliconitrile Crotononitrile, 2-methyl-, (Z)- EINECS 243-496-6 HSDB 6156 cis-2-Methyl-2-butenenitrile cis-2-Methyl-2-butenonitrile