About HONMA K
About Hokkaido Univ., Sapporo, JPN
About TSUDA M
About Hokkaido Univ., Sapporo, JPN
About MIKAMI Y
About Chiba Univ., Chiba, JPN
About KOBAYASHI J
About Hokkaido Univ., Sapporo, JPN
About Tetrahedron
About Porifera
About Psammaplysilla purea
About Alkaloids
About 沖縄
About 海綿
About 抗菌性
About グアニジン
About アルカロイド