M-110 is a potent, selective inhibitor of PIM kinase family with preference for PIM-3 with IC50 of 0.047, 2.5 and 2.5 uM for PIM3, PIM1 and PIM2, respectively.

M4284 (M-4284) is a high-affinity biphenyl mannoside FimH inhibitor with HAI of 16 nM in hemagglutination assay.

M-525 is a first-in-class, highly potent, irreversible small-molecule inhibitor of the menin-MLL interaction with binding IC50 of 3.3 nM in FP assays.

MAC1 (Monastrol Antagonizing Compound 1) is a small molecule that can rescue spindle bipolarity in cells lacking Eg5 activity.

MAC13772 is a potent inhibitor of BioA with an IC50 of 250 nM, a novel antibacterial inhibitor that selectively inhibits PABA biosynthesis in M tuberculosis..

MAC168425 is a novel antibacterial inhibitor that interferes with glycine metabolism in E coli..

MAC173979 is a novel time-dependent inhibitor of p-aminobenzoic acid biosynthesis with IC50 of 30 uM, represents the first PABA biosynthesis inhibitor with activity against Gram-negative bacteria..

Macranthoidin B is a major bioactive saponin in rat plasma after oral administration of extraction of saponins from Flos Lonicerae.

MAI-150 is a peptidomimetic inhibitor of APC-Asef interaction, blocks colorectal cancer migration..

MAI-400 (MAI400) is a novel peptide inhibitor of APC-Asef interaction with Kd of 12 nM and IC50 of 0.25 uM.

MAL3-101 is a Hsc70 modulator that inhibits Hsp70 ATPase activity, exhibits antiproliferative activity in breast cancer cells SK-BR-3 with IC50 of 27 uM.

MALAT1 inhibitor 5 (Malat1 inhibitor 5) is a selective small molecule targeting of Metastasis-associated lung adenocarcinoma transcript 1 (Malat1/MALAT1 mouse/human), a highly conserved long non-coding RNA; does not affect Neat1 lncRNA levels.

MALT1 paracaspase inhibitor 3 is a potent, specific, covalent inhibitor of MALT1 paracaspase with Ki of 10 nM, exhibits 10-and 100-fold improved potency in vitro and in vivo compared with Z-VRPR-fmk.

Maltitol is a sugar alcohol used as a sugar substitute. It has 75-90% of the sweetness of sucrose (table sugar) and nearly identical properties. Maltitol may also be used as a plasticizer in gelatin capsules, as an emollient, and as a humectant.

Maltohexaose is a natural saccharide, and can be produced from amylose, amylopectin and whole starch.

Maltopentaose is the shortest chain oligosaccharide that can be classified as maltodextrin and is also used in a study to investigate glycation and phosphorylation of α-lactalbumin.

Manidipine is a dihydropyridine L- and T-type calcium channel blocker.

MAP4K4-IN-17 is a potent and highly selective MAP4K4 inhibitor with IC50 of 14.9 nM, showes improved overall drug-like properties compared to PF-06260933.

MAP4K4-IN-37 is a potent, selective, orally active inhibitor of serine-threonine kinase MAP4K4 with IC50 of 0.4 nM.

MAP4K4-IN-44 is a potent, moderately selective small molecule MAP4K4 inhibitor with IC50 of 5 nM in LC3K assay, demonstrates favorable in vivo bioavailability in mouse..

Mapracorat (ZK 245186) is a potent, selective and non-steroid glucocorticoid receptor (GR) agonist with binding Ki of 1.9 nM.

Marbostat-100 is a potent, selective HDAC6 inhibitor with Ki of 0.7 nM, displays >200-fold selectivity over HDAC1-5, and HDAC7-10.