(1'R-(1'alpha,2'alpha,4'aalpha,6'alpha,8'abeta))-3',4',4'a,5',6',7',8',8'a-Octahydro-4,6'-dihydroxy-6-(hydroxymethyl)-2',5',5',8'a-tetramethylspiro(benzofuran-2(3H),1'(2'H)-naphthalene)-7-carboxaldehyde 159121-98-9 3',4',4'a,5',6',7',8',8'a-Octahydro-4,6'-dihydroxy-6-(hydroxymethyl)-2',5',5',8'a-tetramethylspiro(benzofuran-2(3H),1'(2'H)-naphthalene)-7-carboxaldehyde (1'R-(1'alpha,2'alpha,4'aalpha,6'alpha,8'abeta))- ATCC 20928 factor C Mer NF5003E Mer-NF5003E Spiro(benzofuran-2(3H),1'(2'H)-naphthalene)-7-carboxaldehyde, 3',4',4'a,5',6',7',8',8'a-octahydro-4,6'-dihydroxy-6-(hydroxymethyl)-2',5',5',8'a-tetramethyl-, (1R-(1'alpha,2'alpha,4'aalpha,6'alpha,8'abeta))-