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Phentolamine mesylate Phentolamine methanesulfonate	Predict NMR spectrum	RN:  65-28-1 MF:  C18H23N3O4S MW:  377.45832
InChI:  1S/C17H19N3O.CH4O3S/c1-13-5-7-14(8-6-13)20(12-17-18-9-10-19-17)15-3-2-4-16(21)11-15;1-5(2,3)4/h2-8,11,21H,9-10,12H2,1H3,(H,18,19);1H3,(H,2,3,4) InChIKey:  OGIYDFVHFQEFKQ-UHFFFAOYSA-N	H donor:  3 H acceptor:  7 Rotatable bond:  4 Stereocenter:  0	cLogP:  -0.636 cLogS:  -3.135 Polar surface:  110.61
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