preferred_name: (E)-2-methylpropanal oxime = (Z)-2-methylpropanal oxime
preferred_name_lc: (e)-2-methylpropanal oxime = (z)-2-methylpropanal oxime
label: (E)-2-methylpropanal oxime = (Z)-2-methylpropanal oxime
label_lc: (e)-2-methylpropanal oxime = (z)-2-methylpropanal oxime