6-hydroxy-2, 2-dimethyl-, methylester | 2H-Naphtho[1,2-b]pyran-5-carboxylic acid |
Methyl 6-hydroxy-2,2-dimethylbenzo[h]chromene-5-carboxylate | 2-DiMethyl-6-hydroxy-2H-naphtho[1,2-b]pyran-5-carboxylic acid Methyl ester |
6-Hydroxy-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5-carboxylic acid methyl ester | 2,2-Dimethyl-6-hydroxy-2H-naphtho[1,2-b]pyran-5-carboxylic acid methyl ester |