3041702 MHBA matured hop bitter acids 9 3041703 MHBA mineralized human bone allograft 4 3041705 MHBA m-hydroxybenzoic acid 3 3041704 MHBA 3-methoxy-4-hydroxy benzylamine hydrochloride 1 3041708 MHBA 3-methoxy-4-hydroxybenzylamine 1 3041707 MHBA 4-methylthio-2-hydroxybutyric acid 1 3041709 MHBA MHA with horse blood 1 3041706 MHBA Mueller-Hinton blood agar 1