ChemInform Abstract: A Novel Sphingosine with Osteoclast‐Forming Suppressing Activity, from the Edible Mushroom Grifola gargal. Issue 7 (18th February 2014) - Choi, Jae‐Hoon; Yoshida, Miyuki; Suzuki, Tomohiro; Harada, Etsuko; Kawade, Mitsuo; Yazawa, Kazunaga; Nishimoto, Sogo; Hirai, Hirofumi; Kawagishi, Hirokazu