preferred_name: L-propargylglycine + chloride + H(+) => L-2-amino-4-chloropent-4-enoate
preferred_name_lc: l-propargylglycine + chloride + h(+) => l-2-amino-4-chloropent-4-enoate
label: L-propargylglycine + chloride + H(+) => L-2-amino-4-chloropent-4-enoate
label_lc: l-propargylglycine + chloride + h(+) => l-2-amino-4-chloropent-4-enoate