2-(1,4-dioxaspiro[4.5]decan-2-ylmethyl)guanidine Prestwick1_000767 SPBio_002753 C07035 Guanadrel BPBio1_000896 Prestwick3_000767 (1,4-Dioxaspiro(4.5)dec-2-ylmethyl)guanidine Guanadrelum [INN-Latin] Prestwick2_000767 Prestwick0_000767 BSPBio_000814