Synonyms: Ryanodol,9,21-didehydro-, 3-(1H-pyrrole-2-carboxylate); 1H-Pyrrole-2-carboxylic acid,dodecahydro-4,6,7,8a,8b,9a-hexahydroxy-6a,9-dimethyl-3-methylene-7-(1-methylethyl)-6,9-methanobenzo[1,2]pentaleno[1,6-bc]furan-8-ylester, [4R-(4a,4aR*,6b,6ab,7b,8a,8ab,8bb,9a,9ab)]-; 9,21-Didehydroryanodine; Dehydroryanodine; D9,21-Dehydroryanodine