72017-52-8 ISOQUINOLINIUM, 1,2,3,4-TETRAHYDRO-1-(5-(1,2,3,4-TETRAHYDROQUINOLYL)-2,4-PENTADI Isoquinolinium, 1,2,3,4-tetrahydro-1-(5-(1,2,3,4-tetrahydroquinolyl)- 2,4-pentadienylidene)-, chloride, hydrate