Synonyms: SN-38-D3;(4S)-4-(Ethyl-d3)-11-ethyl-4,9-dihydroxy-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione;10-Hydroxy-7-ethylcamptothecin-d3;7-Ethyl-10-hydroxycamptothecin-d3;SN 38-d3 Lactone;(4S)-4-Ethyl-11-(ethyl-d3)-4,9-dihydroxy-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione