C1=CC=C(C=C1)C(CO)C(=O)[O-]
InChI=1S/C9H10O3/c10-6-8(9(11)12)7-4-2-1-3-5-7/h1-5,8,10H,6H2,(H,11,12)/p-1
JACRWUWPXAESPB-UHFFFAOYSA-M