(28E)-30-hydroxydotriacont-28-ene-2,9,14,19,21,31-hexaynoic acid 28-dotriacontene-2,9,14,19,21,31-hexaynoic acid, 30-hydroxy-, (28E,30S)- 30-Hydroxy-dotriacont-28-ene-2,9,14,19,21,31-hexaynoic acid Callyspongynic Acid InChI=1/C32H38O3/c1-2-31(33)29-27-25-23-21-19-17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20-22-24-26-28-30-32(34)35/h1,27,29,31,33H,3,5,7-8,10,12,17-26H2,(H,34,35)/b29-27+/t31-/m1/s