5-hydroxy-2-iodo-4-(tetracosa-11,13-diynyloxy)benzaldehyde
2-iodo-5-(pentacosa-12,14-diynyloxy)-4-(tetracosa-11,13-diynyloxy)benzaldehyde
1-(2,2-dibromoethenyl)-2-iodo-5-(pentacosa-12,14-diynyloxy)-4-(tetracosa-11,13-diynyloxy)benzaldehyde
1-ethynyl-2-iodo-5-(pentacosa-12,14-diynyloxy)-4-(tetracosa-11,13-diynyloxy)benzaldehyde