Webfolic acid tablets usp, 1 mg, are supplied as light yellow colored, round convex tablet debossed an 361 on one side and bisected on the other side. They are available as. This medicine is a light yellow, round, scored, tablet imprinted with an 361. Webfolic acid tablets usp, 1 mg, are supplied as round, yellow tablets imprinted “an” and “361” on one side and scored on the other side. They are available as follows: Webpill identifier results for an 361. Search by imprint, shape, color or drug name. Webpill identifier results for an 361 yellow and round. Search by imprint, shape, color or drug name.