Hesperidin
(2S)-Hesperidin, Atripliside B, Cirantin, Hesperetin 7-O-rutinoside, Hesperetin 7-rhamnoglucoside, Hesperetin 7-rutinoside, Hesperidoside, Hesperitin 7-O-rutinoside, NSC 44184
Helvolic acid
Fumigacin, NSC 319943
Hodgkinsine B
Hodgkinsine trimethyl triiodide
Hodgkinsine
(-)-Hodgkinsine
Hydrastine
(-)-Hydrastine, (-)-β-Hydrastine, (1R,9S)-β-Hydrastine, l-Hydrastine, β-Hydrastine
Hydroxylupanine
(+)-13-Hydroxylupanine, (+)-13α-Hydroxylupanine, 13-Hydroxylupanin, 13-Hydroxylupanine, 13α-Hydroxy-2-oxosparteine, 13α-Hydroxylupanine, Hydroxylupanin, Hydroxylupanine, NSC 70827, Oxylupanine
4-Hydroxycanthin-6-one
1-Methyl-L-histidine
NSC 524367, (2S)-2-Amino-3-(1-methyl-1H-imidazol-4-yl)propanoic acid, 1-Methylhistidine, 1-N-Methyl-L-histidine