Composition #1: Nikaido, T., Sung, Y.-I., Ohmoto, T., Sankawa, U. Inhibitors of Cyclic Adenosine 3’,5’-Monophosphate Phosphodiesterase in Phyllostachys nigra Munro var. henonis Stapf. and Phragmites communis Trin., and Inhibition by Related Compounds. chemical and pharmaceutical bulletin, 1984, vol. 32, no. 2, p. 578–584. DOI: 10.1248/cpb.32.578.
[
DOI link]