5,7,8-trimethoxy-2,6-dimethyl-1,4-dihydroisoquinoline-3(2H)-one

renieramycin E

7-methoxy-2,6-dimethyl-5,8-dioxo-1,2,3,4,5,8-hexahydroisoquinoline-5,8-dione

9-[(acetoxy)methyl]-6,7,9,14,14a,15-hexahydro-7-hydroxy-2,11-dimethoxy-3,12,16-trimethyl-(6S,7S,9R,14aS,15R)-(-)-6,15-imino-4H-isoquino[3,2-b][3]benzazocine-1,4,10,13(5H)-tetrone

2-cyano-5-methyl-3,4,6-trimethoxyphenylacetic acid