West Marin Pharmacy, once poised for a sale in October, remains on the market as the search for a buyer continues. 

A potential deal with Novato pharmacist Alan Chan collapsed due to financing complications, said Zsuzsanna Biran, the pharmacy’s owner. During escrow, it emerged that the pharmacy’s net working capital was $150,000 less than expected, including a $50,000 shortfall in the projected $200,000 inventory valuation, discrepancies that ultimately forced Mr. Chan to back out…