Abstract: The invention is directed to the Form A polymorph of N-benzyl-N?-(2,6-diisopropyl-phenyl)-N-isopropyl-malonamide and its use as a therapeutic/cosmetic agent.

Abstract: This invention relates to a pyrido[3,4-d]pyrimidine derivative of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, L1, L2, V, L3, and R2 are as defined in the specification, that inhibits a matrix metalloproteinase-13 enzyme and thus is useful for treating diseases resulting from MMP-13 mediated tissue breakdown such as osteoarthritis, rheumatoid arthritis, cartilage damage, psoriatic arthritis, ankylosing spondylitis, heart failure, atherosclerosis, inflammatory bowel disease, multiple sclerosis, age-related macular degeneration, chronic obstructive pulmonary disease, asthma, periodontal diseases, psoriasis, cancer, and osteoporosis.