1H-Cyclopent(f)isoquinoline-5,6-diol, 2,3,4,7,8,9-hexahydro-3-methyl-, diacetate (ester), trifluoroacetate 57638-92-3 7,8-Diacetoxy-N-methyl-1,2,3,4-tetrahydro-cyclopentano(f)isoquinoline trifluoroacetate