1-(p-Tosyloxy)-2-pentyne
1-(p-Tosyloxy)-2-pentyne ·
1-(p-Tosyloxy)-2-pentyne
1-(p-Tosyloxy)-2-pentyne
1-(p-Tosyloxy)-2-pentyne
1-(p-Tosyloxy)-2-pentyne ·
1-(p-Tosyloxy)-2-pentyne
1-(p-Tosyloxy)-2-pentyne