6-(Hydroxymethyl)-6H-dibenzo(b,d)pyran-6-carboxylic acid 6-Carboxy-6-hydroxymethyl-6H-dibenzo(b,d)pyran 6H-Dibenzo(b,d)pyran-6-carboxylic acid, 6-(hydroxymethyl)- 83359-49-3 FCE 20561