Fang V S, Minkin C, Goldhaber P
Science. 1971 Apr 9;172(3979):163-5. doi: 10.1126/science.172.3979.163.
In tissue culture 2-thiophenecarboxylic acid inhibited both spontaneous resorption of bone and that induced by parathyroid hormone. Its action was to inhibit calcium transfer out of bone.